While mainstream economics assumes that firms are always on the production frontier, there is an evolutionary interpretation of competition according to which firms have different degrees of what Leibenstein (1964) called quot;X-efficiency,quot; and competition selects for higher X-efficiency....

Existence of phenomena such as unemployment and low earnings of the poorest social strata in both periods of recession and the economic boom, highlights the existence of root causes in society. Providing answers to the question: what are the causes and the solutions can be implemented to solve...

Existence of phenomena such as unemployment and low earnings of the poorest social strata in both periods of recession and the economic boom, highlights the existence of root causes in society. Providing answers to the question: what are the causes and the solutions can be implemented to solve...

This paper uses a modi.ed Harrodian model to understand both the long period of rapid Japanese growth and the recent period of stagnation. The model has multiple steady-growth solutions when the labour supply is highly elastic, and government intervention, we argue, took the Japanese economy...

We study the impact of economic policy on the importance of history and expectations for the macroeconomic performance of an economy. In our model the energy mix is based on the conversion of heterogeneous energy sources. Markups over marginal costs are endogenous so that the marginal revenue...

We provide a Keynesian growth theory in which pessimistic expectations can lead to very persistent, or even permanent, slumps characterized by unemployment and weak growth. We refer to these episodes as stagnation traps, because they consist in the joint occurrence of a liquidity and a growth...