Score contribution per author:
α: calibrated so average coauthorship-adjusted count equals average raw count
I. The general framework, 220. — II. Productivity changes and nonlabor income, 225. — III. Overtime, 227. — IV. The effect of training, 228. — V. Minimum wage and wage ceiling, 230. — VI. Some aspects of market demand and supply, 233. — VII. Concluding remarks, 234. — Appendix, 234.