D81 | Economic Research Southern Africa

JEL code: D81

Criteria for Decision-Making under Risk and Uncertainty

Characteristics of the South African retirement fund industry

Using administrative data, we examine three characteristics of the ...

Neryvia Pillay Bell, Johannes W. Fedderke

Working Paper

Random Expected Utility Theory with a Continuum of Prizes

This note generalizes Gul and Pesendorfer’s random expected utility...

Wei Ma

Working Paper

Risk Preferences and the Poverty Trap: A Look at Technology Uptake amongst Smallholder ...

A number of studies suggest the risk preference of low income indiv...

Martine Visser, Kerri Brick, Hafsah Jumare

Working Paper

Information Contagion and Systemic Risk

We examine the effect of ex-post information contagion on the ex-an...

Toni Ahnert, Co-Pierre Georg

Working Paper

Global commodities and African stocks: insights for hedging and diversification strategies

Owing to frequent fluctuations in global markets, diversifying acro...

Paul Alagidede, Gideon Boako

Policy Brief

Bayesian learning with multiple priors and non-vanishing ambiguity

The existing models of Bayesian learning with multiple priors by Ma...

Wei Ma, Alexander Zimper

Working Paper

Who's Afraid of the Big Bad Wolf? Risk Aversion and Gender Discrimination in Assessment

This study exploits a natural experiment to evaluate the gender bia...

Nicholas Spearman, Jason Hartford

Working Paper

The impact of statistical learning on violations of the sure-thing principle

This paper experimentally tests whether violations of Savage’...

Aylit T. Romm, Nicky Nicholls, Alexander Zimper

Working Paper

A decision-theoretic model of asset-price underreaction and overreaction to dividend news

We combine new developments in decision theory with a standard cons...

Alexander Zimper, Alexander Ludwig

Working Paper

Do Bayesians learn their way out of ambiguity?

In standard models of Bayesian learning agents reduce their uncerta...

Alexander Zimper

Working Paper

Risk Aversion: Experimental Evidence from South African Fishing Communities

We estimate the risk attitudes of a large sample of small-scale fis...

Martine Visser, Kerri Brick, Justine Burns

Working Paper

Indecisiveness aversion and preference for commitment

We present an axiomatic model of preferences over menus that is mot...

Ani Guerdjikova, Eric Danan, Alexander Zimper

Working Paper

Revisiting independence and stochastic dominance for compound lotteries

We establish mathematical equivalence between independence of irrel...

Alexander Zimper

Working Paper

Returns to Schooling: Skills Accumulation or Information Revelation?

This paper explores the degree to which imperfect information in th...

Ssekabira Ntege, Steven F. Koch

Working Paper

Half empty, half full and why we can agree to disagree forever

Aumann (1976) derives his famous we cannot agree to disagree result...

Alexander Zimper

Working Paper

Security and Potential Level Preferences with Thresholds

The security level models of Gilboa (1988) and of Jaffray (1988) as...

Ulrich Schmidt, Alexander Zimper

Working Paper

Flexibility of choice versus reduction of ambiguity

This paper explores the problem of a social planner willing to impr...

Ani Guerdjikova, Alexander Zimper

Working Paper

Deriving a theoretically defensible measure of risk

According to economic theory, risk is a central consideration in fi...

Johannes W. Fedderke, Neryvia Pillay Bell

Policy Brief