We consider here optimal use patterns for renewable resources and address the problem of optimal use of renewable resources under a variety of assumptions both about the nature of the economy in which these resources are embedded and about the objective of that economy. Although we focus here on...

The same methodology Oecd and Ecofin apply to project future trends of health care expenditue is here applied to reconstruct backwards Italian health care expenditure. The time horizon is 1988-2012. Results are described and argued. Important evidence emerges on the historical value of the...

Rising deficits and high debt ratios characterized currency crises in countries with low private savings rates and low population densities. But in emerging markets with large population transferring to more productive employment, sustainable debts and deficits may be higher. Debt ratios fall...