Name	Last modified	Size	Description
	Parent Directory		-
	ct.txt	2018-03-14 16:37	479K
	ct_st.txt	2018-03-14 16:37	552
	pcsa.txt	2018-03-14 16:37	31K
	pcsa_l.txt	2018-03-14 16:37	42K
	pcsa_st.txt	2018-03-14 16:37	946

Apache/2.4.53 (FreeBSD) OpenSSL/1.1.1t-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.12 Perl/v5.34.3 Server at data.nber.org Port 443