1. Investment and the value of capital;Abel,1978
2. Real wages and the business cycle;Abraham;Journal of Economic Literature,1995
3. The cyclical behavior of wages and profits under imperfect competition;Ambler;Canadian Journal of Economics,1998
4. Markups, business cycles and factor markets: an empirical analysis;Askildsen,1997
5. Collusion over the business cycle;Bagwell;Rand Journal of Economics,1997