Competition policy and regulation in digital markets

A 1-day ERSA workshop took place on 30th September  2022 in Stellenbosch. During the workshop prominent academics working in the field of Industrial Organization and Digital Economics provided short lectures on relevant competition and regulatory issues in digital markets. In the remaining time, workshop participants presented their research and discussion papers. Workshop Program Elvis Avenyo […]

‘Learning to export’ and ‘learning to innovate’: Revisiting the relationship between innovation and exports in African firms

This paper examines the relationship between innovation and export performance for African firms. We use Tobit simultaneous equation full information maximum likelihood (FIML) model with selection on a crosssectional dataset from the World Bank’s Enterprise Surveys for 28 African economies. The paper provides new evidence of a two-way positive relationship between innovation and export performance […]

Prof. Nicola Viegi on SAMNet: a new economic modelling network is born


Adapting to the times, ERSA introduces its new initiative – the South African Modelling Network. In this podcast, Margaux G meets up with ERSA’s Deputy Director, Prof. Nicola Viegi who has been actively involved in this new initiative. To find out more about this and what inspired this, take a listen and explore the network.

Financial Development and Economic Growth in SADC: Cross Country Spatial Spill-Over Effects

The study bridges a knowledge gap regarding the relationship between financial innovation and economic growth in SADC. The study also carries out panel Granger causality tests to evaluate empirically the direction of causality between financial innovation and economic growth in SADC. Financial innovation has, generated increased economic activity in the SADC region over the years, […]

Financial Innovation and Economic Growth in the SADC

The study empirically establishes the causal relationship between financial innovation and economic growth in SADC. Using an Autoregressive Distributed Lag (ARDL) Model, estimated by Pooled Mean Group and Dynamic Fixed Effects, the study finds that financial innovation has a positive relationship to economic growth in long run for SADC. The long run estimations, however, show […]

A Method for Theoretical Innovation in Economics

How can more theoretical innovation in economics be stimulated? Clues to the answer can be derived from the work of theorists who have been recognised for their innovative contributions to economic theory and from the philosophy of scientific progress. This paper takes the view that scientific progress is propelled by the need to address unsolved […]