Clean notation guide

Author: pmichaillat

content/courses/c1.md

@@ -483,15 +483,15 @@ In the United  States, unemployment insurance is more generous in bad times than
 
 ## Notation guide
 
-+ $H>0$ – Labor force = number of workers who are able, willing, and seeking to work
-+ $U>0$ – Unemployment level = number of labor force participants who do not have a job
-+ $L>0$ – Employment level = number of labor force participants who do have a job
-+ $V>0$ – Vacancy level = number of job vacancies advertised by firms
-+ $u\in(0,1)$ – Unemployment rate =  share of labor force without a job = $U / H$
-+ $v\in(0,1)$ – Vacancy rate = $V / H$
-+ $\theta>0$ – Labor market tightness = number of job vacancies per job seeker = $V/U$ = $v/u$
-+ $m(U,V)>0$ – Matching function
-+ $\eta\in(0,1)$ – Matching elasticity = $\partial \ln(m)/\partial \ln(U)$
-+ $f>0$ – Job-finding rate = $m(U,V)/U$
-+ $q>0$ – Vacancy-filling rate = $m(U,V)/V$
-+ $s>0$ – Job-separation rate
++ $H$ – Labor force = number of workers who are able, willing, and seeking to work
++ $U$ – Unemployment level = number of labor force participants who do not have a job
++ $L$ – Employment level = number of labor force participants who do have a job
++ $V$ – Vacancy level = number of job vacancies advertised by firms
++ $u$ – Unemployment rate =  share of labor force without a job = $U / H$
++ $v$ – Vacancy rate = $V / H$
++ $\theta$ – Labor market tightness = number of job vacancies per job seeker = $V/U$
++ $m(U,V)$ – Matching function
++ $\eta$ – Matching elasticity = $\partial \ln(m)/\partial \ln(U)$
++ $f$ – Job-finding rate = $m(U,V)/U$
++ $q$ – Vacancy-filling rate = $m(U,V)/V$
++ $s$ – Job-separation rate