cloudflare
tcp/443 tcp/80 tcp/8443
Open service 172.67.211.42:8443 · datageo.org
2026-01-12 22:06
HTTP/1.1 522 <none> Date: Mon, 12 Jan 2026 22:06:24 GMT Content-Type: text/plain; charset=UTF-8 Content-Length: 15 Connection: close Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: 9bcff582284d34c9-SIN alt-svc: h3=":8443"; ma=86400 error code: 522
Open service 104.21.77.188:8443 · datageo.org
2026-01-12 22:06
HTTP/1.1 522 <none> Date: Mon, 12 Jan 2026 22:06:24 GMT Content-Type: text/plain; charset=UTF-8 Content-Length: 15 Connection: close Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: 9bcff5818962f4cb-AMS alt-svc: h3=":8443"; ma=86400 error code: 522
Open service 2606:4700:3037::6815:4dbc:8443 · datageo.org
2026-01-12 22:06
HTTP/1.1 522 <none> Date: Mon, 12 Jan 2026 22:06:24 GMT Content-Type: text/plain; charset=UTF-8 Content-Length: 15 Connection: close Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: 9bcff5817885975f-FRA alt-svc: h3=":8443"; ma=86400 error code: 522
Open service 172.67.211.42:443 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=yEzg44esdiXGUMsbBm0bydOv8klUdrbdyhGEwUwSU89U5Ji9szGMdnx3W1GNmhWPswspSZv6z1sIYRUs8poEPfjjodCI03Ca8g%3D%3D"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57c4f519956-FRA
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
width: 40em;
max-width: 90%; /* Ensures it looks good on mobile screens */
margin: 40px auto; /* Centers the page with some top/bottom space */
font-family: Tahoma, Verdana, Arial, sans-serif;
line-height: 1.6; /* Makes text easier to read */
color: #333; /* Softer than harsh black */
}
h1 {
border-bottom: 1px solid #ddd; /* Adds a subtle line under the title */
padding-bottom: 10px;
}
h2 {
margin-top: 40px; /* Adds space before new sections */
font-size: 1.3em;
color: #444;
}
/* This ul section handles indentation automatically */
ul {
margin-top: 5px;
padding-left: 25px; /* Controls how deep the indentation is */
}
li {
margin-bottom: 5px;
}
a {
color: #0066cc; /* Standard blue link color */
text-decoration: none;
}
a:hover {
text-decoration: underline; /* Underline only when hovering */
}
</style>
</head>
<body>
<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
</body>
</html>
Open service 2606:4700:3037::ac43:d32a:8443 · datageo.org
2026-01-12 22:06
HTTP/1.1 522 <none> Date: Mon, 12 Jan 2026 22:06:24 GMT Content-Type: text/plain; charset=UTF-8 Content-Length: 15 Connection: close Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Expires: Thu, 01 Jan 1970 00:00:01 GMT Referrer-Policy: same-origin X-Frame-Options: SAMEORIGIN Server: cloudflare CF-RAY: 9bcff5816dc09962-FRA alt-svc: h3=":8443"; ma=86400 error code: 522
Open service 2606:4700:3037::6815:4dbc:443 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=K1dDCE4S2R8ImE%2B9G44wW9KBDLN10YGkTZtiQPvTJ91I00LH5YwdOOFf6cx1Y4zIFjVS9RJ%2Bj825xHpM8mTgcipJmIErneoJjUGLsnglAFHfpFzZ%2FDSH"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57c38239970-FRA
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
width: 40em;
max-width: 90%; /* Ensures it looks good on mobile screens */
margin: 40px auto; /* Centers the page with some top/bottom space */
font-family: Tahoma, Verdana, Arial, sans-serif;
line-height: 1.6; /* Makes text easier to read */
color: #333; /* Softer than harsh black */
}
h1 {
border-bottom: 1px solid #ddd; /* Adds a subtle line under the title */
padding-bottom: 10px;
}
h2 {
margin-top: 40px; /* Adds space before new sections */
font-size: 1.3em;
color: #444;
}
/* This ul section handles indentation automatically */
ul {
margin-top: 5px;
padding-left: 25px; /* Controls how deep the indentation is */
}
li {
margin-bottom: 5px;
}
a {
color: #0066cc; /* Standard blue link color */
text-decoration: none;
}
a:hover {
text-decoration: underline; /* Underline only when hovering */
}
</style>
</head>
<body>
<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
</body>
</html>
Open service 172.67.211.42:80 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=33w1d%2B0gbT%2B2fbaQncv7710beb2%2FaZz%2FN8raOItfvOAweZCf91e3RMw2rPtp8DlRcfJ4n0vkslCeoMb5TolGN6G2bmxu4ZlUDG7E"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57bdcfbd745-LHR
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
width: 40em;
max-width: 90%; /* Ensures it looks good on mobile screens */
margin: 40px auto; /* Centers the page with some top/bottom space */
font-family: Tahoma, Verdana, Arial, sans-serif;
line-height: 1.6; /* Makes text easier to read */
color: #333; /* Softer than harsh black */
}
h1 {
border-bottom: 1px solid #ddd; /* Adds a subtle line under the title */
padding-bottom: 10px;
}
h2 {
margin-top: 40px; /* Adds space before new sections */
font-size: 1.3em;
color: #444;
}
/* This ul section handles indentation automatically */
ul {
margin-top: 5px;
padding-left: 25px; /* Controls how deep the indentation is */
}
li {
margin-bottom: 5px;
}
a {
color: #0066cc; /* Standard blue link color */
text-decoration: none;
}
a:hover {
text-decoration: underline; /* Underline only when hovering */
}
</style>
</head>
<body>
<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
</body>
</html>
Open service 104.21.77.188:80 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=ezaD2WIS8ZTZJBfpnMYItUVkcGxIw%2B9xfjJUFURqBVzmjt%2Bd6Qm37HP88wZzF%2F6UAAEfuTBjNqRj7BvlbOm89c6caPg2yLiPVn1d"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57bfdb716bf-AMS
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
width: 40em;
max-width: 90%; /* Ensures it looks good on mobile screens */
margin: 40px auto; /* Centers the page with some top/bottom space */
font-family: Tahoma, Verdana, Arial, sans-serif;
line-height: 1.6; /* Makes text easier to read */
color: #333; /* Softer than harsh black */
}
h1 {
border-bottom: 1px solid #ddd; /* Adds a subtle line under the title */
padding-bottom: 10px;
}
h2 {
margin-top: 40px; /* Adds space before new sections */
font-size: 1.3em;
color: #444;
}
/* This ul section handles indentation automatically */
ul {
margin-top: 5px;
padding-left: 25px; /* Controls how deep the indentation is */
}
li {
margin-bottom: 5px;
}
a {
color: #0066cc; /* Standard blue link color */
text-decoration: none;
}
a:hover {
text-decoration: underline; /* Underline only when hovering */
}
</style>
</head>
<body>
<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
</body>
</html>
Open service 2606:4700:3037::ac43:d32a:80 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=MBOh5ZNC9c5HBqwUaEVcALvabwzKUC96EaOcS0cYRV9DfK0O9FHSthoxHBnhwCSub6Gs4jHIpbowC5EdagXLgkX6hUUU5OYai23j1TpePDYh7bZ1DHf9"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57b2bf7ab4e-YYZ
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
width: 40em;
max-width: 90%; /* Ensures it looks good on mobile screens */
margin: 40px auto; /* Centers the page with some top/bottom space */
font-family: Tahoma, Verdana, Arial, sans-serif;
line-height: 1.6; /* Makes text easier to read */
color: #333; /* Softer than harsh black */
}
h1 {
border-bottom: 1px solid #ddd; /* Adds a subtle line under the title */
padding-bottom: 10px;
}
h2 {
margin-top: 40px; /* Adds space before new sections */
font-size: 1.3em;
color: #444;
}
/* This ul section handles indentation automatically */
ul {
margin-top: 5px;
padding-left: 25px; /* Controls how deep the indentation is */
}
li {
margin-bottom: 5px;
}
a {
color: #0066cc; /* Standard blue link color */
text-decoration: none;
}
a:hover {
text-decoration: underline; /* Underline only when hovering */
}
</style>
</head>
<body>
<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
</body>
</html>
Open service 2606:4700:3037::ac43:d32a:443 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=41%2Bp4Hjn7MenAQNZXo3OzUCnPtADdgotkGwuu52NucTz6w9cM94q%2F84tLiUITKotoEd1ZJG1qdKYP2VN4QBdIzPbhSPHEkoxxBRTYRlgWe32dS%2FAFh%2F3"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57c18659031-FRA
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
width: 40em;
max-width: 90%; /* Ensures it looks good on mobile screens */
margin: 40px auto; /* Centers the page with some top/bottom space */
font-family: Tahoma, Verdana, Arial, sans-serif;
line-height: 1.6; /* Makes text easier to read */
color: #333; /* Softer than harsh black */
}
h1 {
border-bottom: 1px solid #ddd; /* Adds a subtle line under the title */
padding-bottom: 10px;
}
h2 {
margin-top: 40px; /* Adds space before new sections */
font-size: 1.3em;
color: #444;
}
/* This ul section handles indentation automatically */
ul {
margin-top: 5px;
padding-left: 25px; /* Controls how deep the indentation is */
}
li {
margin-bottom: 5px;
}
a {
color: #0066cc; /* Standard blue link color */
text-decoration: none;
}
a:hover {
text-decoration: underline; /* Underline only when hovering */
}
</style>
</head>
<body>
<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
</body>
</html>
Open service 104.21.77.188:443 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=hyDKFF9S2Mm2pv5ZyHlEOFJC%2BPU9mWK79aW7jt%2Ftlr0DmwMJ7LSTPZgI1LPmCcAE5fLqdC%2BY8XRP0cz0zHFxkW6W7p001OD2odHE"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57bfa0fe7b5-FRA
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
width: 40em;
max-width: 90%; /* Ensures it looks good on mobile screens */
margin: 40px auto; /* Centers the page with some top/bottom space */
font-family: Tahoma, Verdana, Arial, sans-serif;
line-height: 1.6; /* Makes text easier to read */
color: #333; /* Softer than harsh black */
}
h1 {
border-bottom: 1px solid #ddd; /* Adds a subtle line under the title */
padding-bottom: 10px;
}
h2 {
margin-top: 40px; /* Adds space before new sections */
font-size: 1.3em;
color: #444;
}
/* This ul section handles indentation automatically */
ul {
margin-top: 5px;
padding-left: 25px; /* Controls how deep the indentation is */
}
li {
margin-bottom: 5px;
}
a {
color: #0066cc; /* Standard blue link color */
text-decoration: none;
}
a:hover {
text-decoration: underline; /* Underline only when hovering */
}
</style>
</head>
<body>
<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
</body>
</html>
Open service 2606:4700:3037::6815:4dbc:80 · datageo.org
2026-01-12 22:06
HTTP/1.1 200 OK
Date: Mon, 12 Jan 2026 22:06:04 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Server: cloudflare
Last-Modified: Sun, 11 Jan 2026 01:33:12 GMT
Nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
vary: accept-encoding
Report-To: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=2F79ycxCsMtcb%2BFl3m8Q4BpSHHjffzOT0yADl%2BhhPD3QhWtPks2XpjJfRiYMefNzM7yIPDZTQepXB%2FkjpIgBU%2FJwyFiM6fJqgzVgV%2B%2B94wi8QzhoEX%2Fy"}]}
cf-cache-status: DYNAMIC
CF-RAY: 9bcff57e1d4880c7-BOM
alt-svc: h3=":443"; ma=86400
Page title: Data and geography
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Data and geography</title>
<style>
body {
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<h1>Data and geography</h1>
<p>A site to host web maps, etc. Queries to <a href="https://alejandromolnar.github.io" rel="nofollow">alejandromolnar.github.io</a></p>
<h2>Materials for TRB 2026</h2>
<p><strong>Advances in methods for Difference-in-Differences</strong></p>
<ul>
<li>Lecture slides (<a href="../files/TRB2026/TRB_DID_prez_Molnar.pdf" rel="nofollow">PDF</a>)</li>
<li>Workshop code (Stata <a href="../files/TRB2026/did_workshop_code.do" rel="nofollow">.do</a> file)</li>
</ul>
<p><strong>One year into congestion pricing in NYC</strong></p>
<ul>
<li>Interactive <a href="../files/nyc/pages" rel="nofollow">website</a> with empirical evidence.<br>
(Preliminary, please email to request access)</li>
</ul>
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