Is There an Allocation Problem? Accounting for Unproductive Labor, Dawson, Michael; Foster, John Bellamy, Science and Society; 58(3), Fall 1994, pages 315-25.

Productivity, Valorization and Crisis: Socially Necessary Unproductive Labor in Contemporary Capitalism, Smith, Murray E. G., Science and Society; 57(3), Fall 1993, pages 262-93. Abstract

The Existence, Significance, and Persistence of Profit Rate Differentials, Rigby, David L., Economic Geography; 67(3), July 1991, pages 210-22. Abstract

Profitability and Capital Accumulation in Canadian Manufacturing Industries, Webber, Michael; Tonkin, S., Environment and Planning A; 22(8), August 1990, pages 1051-71.

The Contemporary Relevance of Marx's Economics: Theory and Evidence, Cekota, Jaromir, Eastern Economic Journal; 14(1), January-March 1988, pages 73-80. Abstract

Labor's Share of Income in an Open Economy: The Case of Canada, Islam, Sadequl, Review of Radical Political Economics; 20(2-3), Summer-Fall 1988, pages 214-22. Abstract

Technical Changes and the Rate of Profit in the Canadian Textile, Knitting, and Clothing Industries, Webber, Michael; Tonkin, S., Environment and Planning A; 20(11), November 1988, pages 1487-1505.

Technical Changes and the Rate of Profit in the Canadian Wood, Furniture, and Paper Industries, Webber, Michael; Tonkin, S., Environment and Planning A; 20(12), December 1988, pages 1623-43.

Technical Changes and the Rate of Profit in the Canadian Food Industry, Webber, Michael; Tonkin, S., Environment and Planning A; 19(12), December 1987, pages 1579-96.

The Rate of Profit in Canadian Manufacturing, 1950-1981, Webber, Michael; Rigby, David L., Review of Radical Political Economics; 18(1-2), Spring-Summer 1986, pages 33-55.