Name	Last modified	Size	Description
	Parent Directory		-
	exclusivity.txt	2015-05-15 10:07	46K
	patent.txt	2015-05-15 10:06	476K
	products.txt	2015-05-15 10:13	4.2M
	UCM163762.zip	2015-06-05 08:50	600K

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