Does it make any difference to econometric results whether ones uses the Laspeyres or Paasche index? In general, the divergence between these two is small, suggesting that index choice makes little difference to econometric results. We estimate 72 Malthusian models and because the Paasche and...

Usual Malthusian population models conform to Malthus's summary statement but not to the full argument developed in his extensive historical survey. This expanded model includes oscillations in population growth, interdep endency between the preventive and positive checks and other factors. The...