Add lastmod to metadata

content/archive.md

@@ -1,6 +1,6 @@
 ---
 title: "Archive"
-date: 2024-03-22
+lastmod: 2024-02-27
 author: "Pascal Michaillat"
 description: "Pascal Michaillat's research papers, course material, and design projects listed in reverse chronological order."
 layout: "archives"

content/courses/c3.md

@@ -1,6 +1,7 @@
 ---
 title: "Mathematics for Macroeconomics" 
 date: 2013-10-01
+lastmod: 2023-10-01
 url: /c3/
 aliases:
     - /t3.html

content/courses/c4.md

@@ -1,6 +1,7 @@
 ---
 title: "Intermediate Macroeconomics" 
 date: 2018-12-15
+lastmod: 2024-01-22
 url: /c4/
 aliases:
     - /t2.html

content/location.md

@@ -1,6 +1,6 @@
 ---
 title: "Location"
-date: 2024-03-22
+lastmod: 2024-03-22
 url: /location/
 author: "Pascal Michaillat"
 description: "Pascal Michaillat's mailing addresses and office address at the University of California, Santa Cruz."

content/officehours.md

@@ -1,6 +1,6 @@
 ---
 title: "Office Hours"
-date: 2024-03-22
+lastmod: 2024-03-22
 url: /officehours/
 author: "Pascal Michaillat"
 description: "Schedule and location of Prof. Michaillat's office hours at the University of California, Santa Cruz."

content/papers/1.md

@@ -1,6 +1,7 @@
 ---
 title: "Do Matching Frictions Explain Unemployment? Not in Bad Times" 
 date: 2012-06-01
+lastmod: 2024-01-19
 url: /1/
 aliases: 
     - /1.html

content/papers/10.md

@@ -1,6 +1,7 @@
 ---
 title: "Persistence of False Paradigms in Low-Power Sciences" 
 date: 2018-12-26
+lastmod: 2024-01-25
 url: /10/
 aliases:
     - /10.html

content/papers/11.md

@@ -1,6 +1,7 @@
 ---
 title: "Resolving New Keynesian Anomalies with Wealth in the Utility Function" 
 date: 2021-05-10
+lastmod: 2024-01-19
 url: /11/
 aliases:
     - /11.html

content/papers/13.md

@@ -1,6 +1,7 @@
 ---
 title: "u* = √uv" 
 date: 2023-01-23
+lastmod: 2023-12-15
 url: /13/
 aliases:
     - /13.html

content/papers/14.md

@@ -1,6 +1,7 @@
 ---
 title: "Modeling the Displacement of Native Workers by Immigrants" 
 date: 2023-11-05
+lastmod: 2024-03-14
 url: /14/
 tags: ["business cycles","efficiency","job rationing","matching function","state dependence","unemployment","wage rigidity"]
 author: ["Pascal Michaillat"]

content/papers/15.md

@@ -1,6 +1,7 @@
 ---
 title: "Moen Meets Rotemberg: An Earthly Model of the Divine Coincidence" 
 date: 2024-01-20
+lastmod: 2024-03-20
 url: /15/
 tags: ["business cycles","economic slack","efficiency","matching function","monetary policy","optimal control","price rigidity","social psychology","stabilization policy","sufficient statistics","unemployment gap","wealth in the utility","Phillips curve"]
 author: ["Pascal Michaillat","Emmanuel Saez"]

content/papers/2.md

@@ -1,6 +1,7 @@
 ---
 title: "A Theory of Countercyclical Government Multiplier" 
 date: 2014-01-01
+lastmod: 2024-01-19
 url: /2/
 aliases: 
     - /2.html

content/papers/3.md

@@ -1,6 +1,7 @@
 ---
 title: "Aggregate Demand, Idle Time, and Unemployment" 
 date: 2015-05-01
+lastmod: 2024-01-19
 url: /3/
 aliases:
     - /3.html

content/papers/4.md

@@ -1,6 +1,7 @@
 ---
 title: "A Macroeconomic Approach to Optimal Unemployment Insurance: Theory" 
 date: 2018-05-01
+lastmod: 2024-01-19
 url: /4/
 aliases:
     - /4.html

content/papers/5.md

@@ -1,6 +1,7 @@
 ---
 title: "A Macroeconomic Approach to Optimal Unemployment Insurance: Applications" 
 date: 2018-05-02
+lastmod: 2024-01-19
 url: /5/
 aliases:
     - /5.html

content/papers/6.md

@@ -1,6 +1,7 @@
 ---
 title: "Optimal Public Expenditure with Inefficient Unemployment" 
 date: 2019-05-01
+lastmod: 2024-01-19
 url: /6/
 aliases:
     - /6.html

content/papers/7.md

@@ -1,6 +1,7 @@
 ---
 title: "An Economical Business-Cycle Model" 
 date: 2022-04-01
+lastmod: 2024-01-25
 url: /7/
 aliases:
     - /7.html

content/papers/8.md

@@ -1,6 +1,7 @@
 ---
 title: "Pricing under Fairness Concerns" 
 date: 2021-06-01
+lastmod: 2024-01-25
 url: /8/
 aliases:
     - /8.html

content/papers/9.md

@@ -1,6 +1,7 @@
 ---
 title: "Beveridgean Unemployment Gap" 
 date: 2021-12-01
+lastmod: 2024-01-19
 url: /9/
 aliases:
     - /9.html

layouts/partials/templates/opengraph.html

@@ -1,5 +1,5 @@
 <meta property="og:title" content="{{ .Title }}" />
-<meta property="og:description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{ with site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end }}" />
+<meta property="og:description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{if (eq .Kind `term`) }} Pascal Michaillat's research papers and course material related to: {{ .Title }}{{ else }}{{ with site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end }}{{ end }}" />
 <meta property="og:type" content="{{ if .IsPage }}article{{ else }}website{{ end }}" />
 <meta property="og:url" content="{{ .Permalink }}" />
 {{- if .Params.cover.image -}}

layouts/partials/templates/schema_json.html

@@ -0,0 +1,118 @@
+{{ if .IsHome }}
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "{{- ( site.Params.schema.publisherType | default "Organization") | title -}}",
+  "name": {{ site.Title }},
+  "url": {{ site.BaseURL }},
+  "description": {{ site.Params.description | plainify | truncate 180 | safeHTML }},
+  "thumbnailUrl": {{ site.Params.assets.favicon | default "favicon.ico" | absURL }},
+  "sameAs": [
+    {{- if site.Params.schema.sameAs }}
+      {{ range $i, $e := site.Params.schema.sameAs }}{{ if $i }}, {{ end }}{{ trim $e " " }}{{ end }}
+    {{- else}}
+      {{ range $i, $e := site.Params.SocialIcons }}{{ if $i }}, {{ end }}{{ trim $e.url " " }}{{ end }}
+    {{- end}}
+  ]
+}
+</script>
+{{- else if (or .IsPage .IsSection) }}
+{{/* BreadcrumbList */}}
+{{- $url := replace .Parent.Permalink ( printf "%s" site.BaseURL) "" }}
+{{- $lang_url := strings.TrimPrefix ( printf "%s/" .Lang) $url }}
+{{- $bc_list := (split $lang_url "/")}}
+
+{{- $scratch := newScratch }}
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "BreadcrumbList",
+  "itemListElement": [
+  {{- range $index, $element := $bc_list }}
+
+    {{- $scratch.Add "path" (printf "%s/" $element ) | safeJS }}
+    {{- $bc_pg := site.GetPage ($scratch.Get "path") -}}
+
+    {{- if (and ($bc_pg) (gt (len . ) 0))}}
+    {{- if (and $index)}}, {{end }}
+    {
+      "@type": "ListItem",
+      "position": {{ add 1 $index  }},
+      "name": {{ $bc_pg.Name }},
+      "item": {{ $bc_pg.Permalink | safeHTML }}
+    }
+    {{- end }}
+
+  {{- end }}
+  {{- /*  self-page addition  */ -}}
+  {{- if (ge (len $bc_list) 2) }}, {{end }}
+    {
+      "@type": "ListItem",
+      "position": {{len $bc_list}},
+      "name": {{ .Name }},
+      "item": {{ .Permalink | safeHTML }}
+    }
+  ]
+}
+</script>
+{{- if .IsPage }}
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "BlogPosting",
+  "headline": {{ .Title | plainify}},
+  "name": "{{ .Title | plainify }}",
+  "description": {{ with .Description | plainify }}{{ . }}{{ else }}{{ .Summary | plainify  }}{{ end -}},
+  "keywords": [
+    {{- if .Params.keywords }}
+    {{ range $i, $e := .Params.keywords }}{{ if $i }}, {{ end }}{{ $e }}{{ end }}
+    {{- else }}
+    {{ range $i, $e := .Params.tags }}{{ if $i }}, {{ end }}{{ $e }}{{ end }}
+    {{- end }}
+  ],
+  "articleBody": {{ .Content | safeJS | htmlUnescape | plainify }},
+  "wordCount" : "{{ .WordCount }}",
+  "inLanguage": {{ .Language.Lang | default "en-us" }},
+  {{ if .Params.cover.image -}}
+  "image":
+    {{- if (ne .Params.cover.relative true) -}}
+    {{ .Params.cover.image | absURL }},
+    {{- else -}}
+    {{ (path.Join .RelPermalink .Params.cover.image ) | absURL }},
+    {{- end}}
+  {{- end -}}
+  "datePublished": {{ .PublishDate }},
+  "dateModified": {{ .Lastmod }},
+  {{- with (.Params.author | default site.Params.author) }}
+  "author":
+    {{- if (or (eq (printf "%T" .) "[]string") (eq (printf "%T" .) "[]interface {}")) -}}
+  [{{- range $i, $v := . -}}
+  {{- if $i }}, {{end -}}
+  {
+    "@type": "Person",
+    "name": {{ $v }}
+  }
+  {{- end }}],
+    {{- else -}}
+  {
+    "@type": "Person",
+    "name": {{ . }}
+  },
+    {{- end -}}
+  {{- end }}
+  "mainEntityOfPage": {
+    "@type": "WebPage",
+    "@id": {{ .Permalink | safeHTML }}
+  },
+  "publisher": {
+    "@type": "{{- ( site.Params.schema.publisherType | default "Organization") | title -}}",
+    "name": {{ site.Title }},
+    "logo": {
+      "@type": "ImageObject",
+      "url": {{ site.Params.assets.favicon | default "favicon.ico" | absURL }}
+    }
+  }
+}
+</script>
+{{- end }}
+{{- end -}}

layouts/partials/templates/twitter_cards.html

@@ -0,0 +1,33 @@
+{{- if .Params.cover.image -}}
+<meta name="twitter:card" content="summary_large_image" />
+{{- if (ne $.Params.cover.relative true) }}
+<meta name="twitter:image" content="{{ .Params.cover.image | absURL }}" />
+{{- else }}
+<meta name="twitter:image" content="{{ (path.Join .RelPermalink .Params.cover.image ) | absURL }}" />
+{{- end}}
+{{- else }}
+{{- with $.Params.images -}}
+<meta name="twitter:card" content="summary_large_image"/>
+<meta name="twitter:image" content="{{ index . 0 | absURL }}"/>
+{{ else -}}
+{{- $images := $.Resources.ByType "image" -}}
+{{- $featured := $images.GetMatch "*feature*" -}}
+{{- if not $featured }}{{ $featured = $images.GetMatch "{*cover*,*thumbnail*}" }}{{ end -}}
+{{- with $featured -}}
+<meta name="twitter:card" content="summary_large_image"/>
+<meta name="twitter:image" content="{{ $featured.Permalink }}"/>
+{{- else -}}
+{{- with site.Params.images -}}
+<meta name="twitter:card" content="summary_large_image"/>
+<meta name="twitter:image" content="{{ index . 0 | absURL }}"/>
+{{ else -}}
+<meta name="twitter:card" content="summary"/>
+{{- end -}}
+{{- end -}}
+{{- end }}
+{{- end }}
+<meta name="twitter:title" content="{{ .Title }}"/>
+<meta name="twitter:description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{if (eq .Kind `term`) }}Pascal Michaillat's research papers and course material related to: {{ .Title }}{{ else }}{{ with site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end }}{{ end }}"/>
+{{ with site.Social.twitter -}}
+<meta name="twitter:site" content="@{{ . }}"/>
+{{ end -}}

public/1/index.html

@@ -32,7 +32,7 @@
 <meta property="og:url" content="https://pascalmichaillat.org/1/" />
 <meta property="og:image" content="https://pascalmichaillat.org/1.png" /><meta property="article:section" content="papers" />
 <meta property="article:published_time" content="2012-06-01T00:00:00+00:00" />
-<meta property="article:modified_time" content="2012-06-01T00:00:00+00:00" />
+<meta property="article:modified_time" content="2024-01-19T00:00:00+00:00" />
 
 <meta name="twitter:card" content="summary_large_image" />
 <meta name="twitter:image" content="https://pascalmichaillat.org/1.png" />
@@ -74,7 +74,7 @@
   "wordCount" : "180",
   "inLanguage": "en",
   "image":"https://pascalmichaillat.org/1.png","datePublished": "2012-06-01T00:00:00Z",
-  "dateModified": "2012-06-01T00:00:00Z",
+  "dateModified": "2024-01-19T00:00:00Z",
   "author":{
     "@type": "Person",
     "name": "Pascal Michaillat"

public/10/index.html

@@ -32,7 +32,7 @@
 <meta property="og:url" content="https://pascalmichaillat.org/10/" />
 <meta property="og:image" content="https://pascalmichaillat.org/10.png" /><meta property="article:section" content="papers" />
 <meta property="article:published_time" content="2018-12-26T00:00:00+00:00" />
-<meta property="article:modified_time" content="2018-12-26T00:00:00+00:00" />
+<meta property="article:modified_time" content="2024-01-25T00:00:00+00:00" />
 
 <meta name="twitter:card" content="summary_large_image" />
 <meta name="twitter:image" content="https://pascalmichaillat.org/10.png" />
@@ -74,7 +74,7 @@
   "wordCount" : "411",
   "inLanguage": "en",
   "image":"https://pascalmichaillat.org/10.png","datePublished": "2018-12-26T00:00:00Z",
-  "dateModified": "2018-12-26T00:00:00Z",
+  "dateModified": "2024-01-25T00:00:00Z",
   "author":[{
     "@type": "Person",
     "name": "George Akerlof"

public/11/index.html

@@ -32,7 +32,7 @@
 <meta property="og:url" content="https://pascalmichaillat.org/11/" />
 <meta property="og:image" content="https://pascalmichaillat.org/11.png" /><meta property="article:section" content="papers" />
 <meta property="article:published_time" content="2021-05-10T00:00:00+00:00" />
-<meta property="article:modified_time" content="2021-05-10T00:00:00+00:00" />
+<meta property="article:modified_time" content="2024-01-19T00:00:00+00:00" />
 
 <meta name="twitter:card" content="summary_large_image" />
 <meta name="twitter:image" content="https://pascalmichaillat.org/11.png" />
@@ -74,7 +74,7 @@
   "wordCount" : "193",
   "inLanguage": "en",
   "image":"https://pascalmichaillat.org/11.png","datePublished": "2021-05-10T00:00:00Z",
-  "dateModified": "2021-05-10T00:00:00Z",
+  "dateModified": "2024-01-19T00:00:00Z",
   "author":[{
     "@type": "Person",
     "name": "Pascal Michaillat"

public/13/index.html

@@ -32,7 +32,7 @@
 <meta property="og:url" content="https://pascalmichaillat.org/13/" />
 <meta property="og:image" content="https://pascalmichaillat.org/13.png" /><meta property="article:section" content="papers" />
 <meta property="article:published_time" content="2023-01-23T00:00:00+00:00" />
-<meta property="article:modified_time" content="2023-01-23T00:00:00+00:00" />
+<meta property="article:modified_time" content="2023-12-15T00:00:00+00:00" />
 
 <meta name="twitter:card" content="summary_large_image" />
 <meta name="twitter:image" content="https://pascalmichaillat.org/13.png" />
@@ -74,7 +74,7 @@
   "wordCount" : "250",
   "inLanguage": "en",
   "image":"https://pascalmichaillat.org/13.png","datePublished": "2023-01-23T00:00:00Z",
-  "dateModified": "2023-01-23T00:00:00Z",
+  "dateModified": "2023-12-15T00:00:00Z",
   "author":[{
     "@type": "Person",
     "name": "Pascal Michaillat"