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A critical element in all discounted utility models is the specification of a discount function. We introduce three functions: the delay, speedup and generating functions. Each can be uniquely elicited from behaviour. The delay function determines stationary and the common difference effect. The...
Persistent link: https://www.econbiz.de/10010929075
In a critique of the Loewenstein and Prelec (1992) theory of intertemporal choice, al-Nowaihi and Dhami (2006) point out to four errors. One of the alleged errors was that the value function in prospect theory is decreasing. But it is in fact increasing. We provide a correction and a formal...
Persistent link: https://www.econbiz.de/10005385014
Two of the anomalies of the exponentially discounted utility model are the 'magnitude effect' (larger magnitudes are discounted less) and the 'sign effect' (a loss is discounted less than a gain of the same magnitude). The literature has followed Loewenstein and Prelec (1992) in attributing the...
Persistent link: https://www.econbiz.de/10005385056
We develop a general theory of intertemporal choice: the reference-time theory, RT. RT is a synthesis of ideas from the generalized hyperbolic model (Loewenstein and Prelec 1992), the quasi-hyperbolic model (Phelps and Pollak 1968, Laibson 1997) and subadditivity of time discounting (Roelofsma...
Persistent link: https://www.econbiz.de/10005385062
There is growing evidence on the roles of fairness and social preferences as fundamental human motives, in general, as well as in voting contexts. In contrast, models of political economy are based on selfish-voters who derive utility solely from 'own' payoff. We examine the implications of...
Persistent link: https://www.econbiz.de/10005385071
Given the recent experience, there is growing interest in the liquidity trap; which occurs when the nominal interest rate reaches its zero lower bound. Using the Dixit-Lambertini (2003) framework of strategic policy interaction between the Treasury and the Central Bank, we find that the optimal...
Persistent link: https://www.econbiz.de/10009293084
In a seminal paper, Becker (1968) showed that the most efficient way to deter crime is to impose the severest possible penalty (to maintain adequate deterrence) with the lowest possible probability (to economize on costs of enforcement). We shall call this the Becker proposition (BP). The BP is...
Persistent link: https://www.econbiz.de/10009293085
All models in Law and Economics use punishment functions (PF) that incorporates a trade-off between probability of detection, p, and punishment, F. Suppose society wishes to minimize the total costs of enforcement and damages from crime, T (p; F). For a given p, an optimal punishment function...
Persistent link: https://www.econbiz.de/10009293087
Let a large-number of small-individuals contribute to charity. We show that ‘strong aggregate complementarity’ is necessary for multiple equilibria in a competitive equilibrium. Consider two equilibria with low (L) and high (H) levels of giving. Suppose that society is stuck at L and wishes...
Persistent link: https://www.econbiz.de/10010548253
Consider a large number of small individuals contributing to a charity or to a public good. We study the properties of a competitive equilibrium in giving and allow for multiple equilibria. Our proposed condition, aggregate strategic complementarity, is a necessary condition for multiple...
Persistent link: https://www.econbiz.de/10009275514