Name	Last modified	Size	Description
	Parent Directory		-
	exp_dt.txt	2015-12-18 14:20	324
	exp_dt_num.txt	2015-12-18 14:20	328
	nda_num.txt	2015-12-18 14:20	325
	val_vbm.txt	2015-12-18 14:20	325

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