Tipping is an important phenomenon, both because of its economic magnitude and because of the insights it suggests about economic behavior in general. It is closely related to several areas in economics, including labor economics, industrial organization, social economics, behavioral economics,...

CAPITAL ACCUMULATION HAS BEEN EMPHASISED AS THE MAJOR FACTOR GOVERING THE RATE OF DEVELOPMENT. THIS STUDY THEREFORE AIMS EXPLORING IN THE LIGHT OF PAST TRENDS, THE ROLE AND SCOPE OF COMMERCIAL BANKS AS FINANCIAL INTERMEDIARIES IN MOBILIZING DOMESTIC SAVINGS FOR DEVELOPMENT AND THE CONSTRAINTS IN...

Suppose an altruistic person, A, is willing to transfer resources to a second person, B, if B comes upon hard times. If B anticipates that A will act in this manner, B will save too little from both agents' point of view. This is the Samaritan's dilemma. The logic of the dilemma has been...

Tipping is a multi-billion-dollar phenomenon that standard economic models find hard to explain. I discuss several aspects of tipping and divide tipping to six different categories: reward-tipping, price- tipping, tipping-in-advance, bribery-tipping, holiday-tipping and gift- tipping, and...

This paper introduces a psychological notion of categorization into economics and derives its implications for economic decision making. We show, using a tractable model of social cognition, that a decision maker in (efficiently) assigning past experiences to categories, will sort experiences of...

The article presents a theory that I denote “Relative Thinking Theory,” which claims that people consider relative differences and not only absolute differences when making various economics decisions, even in those cases where the rational model dictates that people should consider only...

Many couples do not sign prenuptial agreements, even though this often leads to costly and inefficient litigation in case of divorce. In this paper we show that strategic reasons may prevent agents from signing a prenuptial agreement. Partners which have high productivity in marital activities...

Are happiness patterns structurally the same when comparing poor and rich countries? Using cross-sectional data from the SALDRU93 survey, we show that the relationships between subjective well-being and socioeconomic variables have a similar structure and is U-shaped in age in South Africa as in...

Tipping is a phenomenon that illustrates the importance of social norms and psychological reasons in motivating economic behavior. People tip because this is the social norm and disobeying norms results in psychological disutility. Tipping is also economically important: in the United States...

The linear-in-means model has been a theoretical and empirical workhorse of the social interactions field. As was noted by Manski (1993), the collinearity between group-level 'contextual' and 'endogenous' effects leads to an inability to identify the structural parameters of this model. Manski...