In 1949, A. W. H. (Bill) Phillips and Walter Newlyn designed and built an electro-hydraulic dynamic model of the macroeconomy of a country. It was the first analog computer to solve the nonlinear coupled differential equations of mid-twentieth century economic theory and led to the use of...

This paper analyses endogenous formation of technology sharing coalitions with asymmetric firms. Coalition partners produce complementary technology advancements, although firms do not co-operate on R&D investment level or in the product market. The equilibrium coalition outcome is either...

A digressive tax such as a variable rate sales tax or a tax on price gives firms an incentive for expanding output. Thus, unlike unit and ad valorem taxes which amplify the harm from monopoly, a digressive tax lessens the harm. We analyse a tax on price with respect to efficiency and practical...