This article argues for an innovative methodology to appraising (ex ante) longer-term strategic research and development (R&D) investments. This methodology reflects the inherent value of such R&D in terms of opening up opportunities (but not obligations) for investment in new technological...

In the last 25 years, many cities and counties, as well as a few states, have adopted policies that prohibit discrimination based on sexual orientation in private or public employment. These policies may increase earnings for gays and lesbians by decreasing discrimination in hiring, firing,...

Most of the policy discussion on the effects of educational vouchers has been premised on theoretical or ideological positions rather than evidence. This article analyzes a substantial body of recent empirical evidence on achievement differences between public and private schools; on who chooses...