Invited Commentary: Never, or Hardly Ever? It Could Make a Difference

Tax Cuts or Spending — Does it Make a Difference ?

361 National Tax Journal Vol. LIII, No. 3, Part 1 Abstract The use of tax incentives instead of direct spending to promote social and economic goals is growing. This paper considers whether it matters if fiscal interventions take the form of direct spending or tax breaks. Tax breaks can, and increasingly do, replace spending programs with the same effects on resource allocation and income distr...

Democracy: Presidential or Parliamentary Does It Make a Difference?

Utilitarianism or welfarism: does it make a difference?

We show that it is possible to reconcile the utilitarian and welfarist principles under the requirement of unanimity provided that the set of profiles over which the consensus is attained is rich enough. More precisely, we identify a closedness condition which, if satisfied by a class of n-tuples of utility functions, guarantees that the rankings of social states induced by utilitarian and welf...

Geoengineering: could we or should we make it work?

Schemes to modify large-scale environment systems or control climate have been proposed for over 50 years to (i) increase temperatures in high latitudes, (ii) increase precipitation, (iii) decrease sea ice, (iv) create irrigation opportunities, or (v) offset potential global warming by injecting iron in the oceans or sea-salt aerosol in the marine boundary layer or spreading dust in the stratos...

[Glucocorticoids in rheumatoid arthritis: almost always or hardly ever?].

The use of glucocorticoids in rheumatoid arthritis has been the source of frequent debate in the last decades. There is evidence on its anti-inflammatory capacity and its power to decrease radiologic progression, particularly if used in recent onset rheumatoid arthritis. However, there are still some voices questioning its use. Their arguments are its potential side-effects, especially when the...