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Nina Kupzig

Ruhr University of Bochum - Faculty of Economics

Ruhr University of Bochum

Faculty of Management and Economics

D-44780 Bochum, DE 44780

Germany

  • Ruhr University of Bochum - Faculty of Economics

SCHOLARLY PAPERS

5

DOWNLOADS

980

TOTAL CITATIONS

4

Scholarly Papers (5)

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1.

The Effect of an Electricity Crisis on Firms – A Case Study of Dumsor in Ghana

Number of pages: 17 Posted: 16 May 2023
Nina Kupzig and Charles Ackah
Ruhr University of Bochum - Faculty of Economics and University of Ghana - Institute of Statistical, Social and Economic Research (ISSER)
Downloads 516 (136,949)
Citation 4

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Productivity, Power Outage, Manufacturing

2.

Power Outages, Firm Productivity, and Generator Ownership in East Africa

Number of pages: 33 Posted: 23 Mar 2020 Last Revised: 04 Jun 2021
Nina Kupzig
Ruhr University of Bochum - Faculty of Economics
Downloads 173 (442,467)

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Blackouts, Self-Generation, Total Factor Productivity

3.

SMEs and Black Economic Empowerment in South Africa

Number of pages: 8 Posted: 25 May 2023
Nina Kupzig
Ruhr University of Bochum - Faculty of Economics
Downloads 160 (472,207)

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BEE, Small and Medium-sized Enterprises, Implementation

4.

An Augmented Environmental Kuznets Curve (EKC) and a New Measure for Water Pollution – An Investigation of Water Pollution in Africa

Number of pages: 43 Posted: 01 Nov 2022 Last Revised: 27 Mar 2024
Nina Kupzig, Johanna Meier and Jenny Kupzig
Ruhr University of Bochum - Faculty of Economics, Ruhr University of Bochum - Faculty of Economics and Ruhr University of Bochum
Downloads 131 (554,631)

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Environmental Kuznets Curve, Trade, Institutional Quality, Developing countries

5.

The Impact of Black Economic Empowerment on the Performance of Listed Firms in South Africa

Journal of Comparative Economics, Volume 53, Issue 2, June 2025, Pages 373-388
Posted: 15 Apr 2022 Last Revised: 27 May 2025
Matthias Busse, Nina Kupzig and Tim Vogel
Ruhr-University Bochum, Ruhr University of Bochum - Faculty of Economics and German Institute of Development and Sustainability (IDOS)

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BEE; Turnover; Labor Productivity; Profits; Inequality