Did innovations in core processes during the Industrial Revolution tend to generate innovations in downstream technologies? Here a theoretical model examines the effect of a political shock in a non-innovating society in which there is high potential willingness to cooperate. The result is regional specialization in the innovation process by degree of cooperation. Tests with a Poisson specifica...

This paper constructs a two-sector unified growth model. Learning-by-doing in agriculture eventually allows the preindustrial economy to leave its Malthusian trap. But entrepreneurs in the manufacturing sector do not attempt invention if not much is known about natural phenomena. This delays the industrial revolution. Since entrepreneurs identify new useful knowledge at all times in a serendipi...

The Industrial Revolution and the Demographic Transition are the two great forces that explain the upward march of modern incomes. This paper sets out the empirical realities attempts to unify these events through theories of human capital investment have to meet. The major difficulty is to form an explanation which connects them which can also reconcile the seeming differences in fertility beh...

This paper places America's "war on drugs" in perspective in order to develop a new metaphor for control of drug misuse. A brief and focused history of America's experience with substance use and substance use policy over the past several hundred years provides background and a framework to compare the current Pharmacological Revolution with America's Nineteenth Century Industrial Revolution. T...