L13 | Economic Research Southern Africa

JEL code: L13

Oligopoly and Other Imperfect Markets

Substitution between fixed and mobile data amidst high levels of poverty and inequality

Mobile broadband is the main means of connecting to the internet in...

Ryan Hawthrone, Lukasz Grzybowski

Policy Brief

Narrowing the ‘digital divide’: the role of complementarities between fixed and mobile ...

We study substitution between fixed and mobile broadband services i...

Ryan Hawthrone, Lukasz Grzybowski

Working Paper

Benefits of regulation vs. competition where inequality is high: The case of mobile tel...

South Africa is the most unequal country in the world, with a Gini ...

Ryan Hawthrone, Lukasz Grzybowski

Policy Brief

Benefits of regulation vs competition where inequality is high: The case of mobile tele...

We test for the distributional effects of regulation and entry in t...

Ryan Hawthrone, Lukasz Grzybowski

Working Paper

The Competitive Status of the South African Wheat Industry

This article investigates the competitiveness of the South African ...

Philippus. C. Cloete, Johannes D. van der Merwe, Herman D. van Schalkwyk, Ewert P. J. Kleynhans

Working Paper

The role of network effects and consumer heterogeneity in adoption of mobile phones: ev...

In this paper we analyze the role of network effects and consumer h...

Lukasz Grzybowski

Working Paper

Fixed-to-Mobile Substitution in the European Union

This paper analyzes substitution between access to fixed-line and m...

Lukasz Grzybowski

Working Paper

Economies of Scale and Pension Fund Plans: Evidence from South Africa

The focus of this paper is on the presence of economies of scale in...

Albert Touna-Mama, Johannes W. Fedderke, Neryvia Pillay Bell

Working Paper

Endogenous market transparency and product differentiation

This paper endogenizes both market transparency and product differe...

Witness Simbanegavi

Working Paper

Loss leader or low margin leader? Advertising and the degree of product differentiation

This paper attempts to isolate the conditions that give rise to los...

Witness Simbanegavi

Working Paper

Equilibrium Pricing When Only Some Goods Are Advertised

We study how price advertising of a subset of products aspects equi...

Witness Simbanegavi

Working Paper

Informative Advertising: Competition or Cooperation?

I compare the outcome when firms semicollude on advertising to the ...

Witness Simbanegavi

Working Paper