As a result of the disenchantment with traditional income-based measures of welfare, alternative welfare measures have gained increasing attention in recent years. Two of the most prominent measures of well-being come from subjective well-being research and the (objective) capability approach....

There is an ambiguity in Amartya Sen's capability approach as to what constitutes an individual's resources, conversion factors and valuable functionings. What we here call the "circularity problem" points to the fact that all three concepts seem to be mutually endogenous and interrelated. All...

This paper compares the models of Arrow and Debreu [1954] and Sraffa [1960], and concludes that (1) the models are informationally distinct conceptions of a capitalist economy, (2) they support radically distinct – though complete and entirely correct – theories of value, (3) the prices in...