Chapter 10: Entitlement and Taxation
A chapter of Globalisation and Welfare State
Keywords: Regulation & Taxation; Social Policy;
How should social security beneficiary who has some additional income be treated? There are numerous institutional arrangements but for economic purposes the crucial question is summarized in the `effective marginal tax rate’ (EMTR). Consider a beneficiary (or indeed any other person) who obtains an extra dollar of income, perhaps from working, perhaps a return from investments or a private pension. The additional dollar may be taxed, there may be a surcharge, the benefit may be abated or treated as taxable income, some other benefit may be reduced …. The possibilities are numerous. The economist focuses on how much additional income the beneficiary has in the hand (called `disposable’ income because that is what the individual has to spend), irrespective of the institutional arrangement to reduce it. Suppose the amount is X cents (say, 60 cents). Then the EMTR is 100-X percent (e.g. 40 percent). (1)
