As policy makers have placed an increasing focus on training and preparing workers to obtain postsecondary credentials, questions remain about the value to various actors, especially for job seekers and workers who often invest time and money to obtain a credential with the hopes of improving their employment prospects and raising their earnings.…

I analyze the longer-run effects of a college-preparatory program implemented in inner-city schools that included payments to eleventh- and twelfth- grade students and their teachers for passing scores on Advanced Placement exams. Affected students attended college in greater numbers, were more likely to remain in college beyond their first year,…