Solomon W. Polachek is a Distinguished Professor at the State University of New York at Binghamton (Binghamton University), where he has taught since 1983. His Ph.D. is from Columbia University, and he has had post-doctoral fellowships at the University of Chicago and Stanford University, and visiting faculty appointments at the Catholic University of Leuven, Tel Aviv and Bar Ilan Universities, Princeton, and Kasetsart University. Konstantinos Tatsiramos holds a Joint Professorship in Labour Economics at the University of Luxembourg and the Luxembourg Institute of Socio-Economic Research (LISER). His Ph.D. is from the European University Institute, and he has had academic positions at the University of Nottingham, the University of Leicester and the Institute of Labor Economics (IZA).

• Chapter 1. Educational Homogamy and Assortative Mating Have Not Increased; Rania Gihleb and Kevin LangChapter 2. The Long-term Impact of Work-Hour Regulations on Physician Labor Supply; Judith LiuChapter 3. Rural Shadow Wages and Youth Agricultural Labor Supply in Ethiopia: Evidence from Farm Panel Data; Tekalign Gutu Sakketa and Nicolas Gerber Chapter 4. Minimum Wage Effects: Empirical Evidence from Japan; Masao YamaguchiChapter 5. Payroll Taxes, Social Security and Informality: The 2012 Tax Reform in Colombia; Pablo Adrian Garlati-BertoldiChapter 6. The Age Pay Gap Between Young and Older Employees in Italy: Perceived or Real Discrimination against the Young? Carolina Castagnetti, Luisa Rosti, and Marina TöpferChapter 7. Non-Promotion Signals and Job Tenure: Theory and Evidence; Xin JinChapter 8. Defining Opportunity Versus Necessity Entrepreneurship: Two Components of Business Creation; Robert W. Fairlie and Frank M. Fossen