...Duffy-Deno (1989) found an elasticity of personal income with respect to public capital of about .08, or roughly half the size of the state estimates. Critics...been positive and statistically significant. This 1s really quite amazing, given that so much of public capital spending is designed to alleviate environmental...

...empirical linkages fragile at best. In my view they are seriously misreading the evidence. First, (n all cases the impact of public capital on private...alleviate environmental problems or enhance the quality of life, and therefore contributes little to national output as conventionally measured. Hence, the big...

...charge that the range of estimates is wide and that the relationship between public capital and private output makes the empirical linkages fragile, at best....significant. This is really quite amazing, given that so much public capital spending is designed to alleviate environmental problems or enhance the quality of life,...