Jenifer Piesse

Learn More
Twenty percent of the world population, or 1.2 billion live on less than $1 per day; 70% of these are rural and 90% in Asia and Sub-Saharan Africa. Research led technological change in agriculture generates sufficient productivity growth to give high rates of return in Africa and Asia and has a substantial impact on poverty, currently reducing this number(More)
The relationships between basic and applied agricultural R&D, developed and developing country R&D and between R&D, extension, technology and productivity growth are outlined. The declining growth rates of public R&D expenditures are related to output growth and crop yields, where growth rates have also fallen, especially in the developed countries.(More)
— The results of a two-year survey of smallholders in Makhathini Flats, KwaZulu-Natal show that farmers who adopted Bt cotton in 1999–2000 benefited according to all the measures used. Higher yields and lower chemical costs outweighed higher seed costs, giving higher gross margins. These measures showed negative benefits in 1998–99, which conflicts with(More)
Equity markets are increasingly seen as important sources of investment funds in many emerging economies. Furthermore, many countries see the development of such markets as a means to facilitate both foreign equity portfolio investment and foreign direct investment (FDI). This may occur through acquisition of shareholdings in domestic companies, which(More)
This study is based on two 1991 sample surveys, each of ninety farms, in the predominantly arable region of Chiweshe and in the low rainfall area of Gokwe, where animals are more important. The two samples are reasonably representative of the range of conditions found in the communal areas in Zimbabwe. Programming techniques are used to determine the(More)
Extensions to DFID Report No.7946 Lin Lin, Victoria McKenzie, Jenifer Piesse and Colin Thirtle * Environmental Policy and Management Group T.H.Huxley School of Environment, Earth Sciences and Engineering Imperial College of Science, Technology and Medicine, London, SW 7 2BP ** School of Management and Organizational Psychology Birkbeck College, University(More)
This paper considers the impact of full Islamic shari’ya compliance on developing stock exchanges in their effective provision of development capital. Evidence from a unique study focussing on the Sudan telecommunications company and its listings on the Khartoum as well as Arabian Gulf stock exchanges reveals that costs of capital are considerably higher in(More)
This paper models dairy farms in KwaZulu-Natal, South Africa, emphasising the complexities unique to this multi-product industry. Net and gross output approaches to measuring production are discussed and then tested using panel data from 37 dairy farms in KwaZulu-Natal from 1999 and 2007. Production functions for the three outputs: milk production, animals(More)
This paper provides microfoundations for dual economy models. First, the patterns of production and population growth in the traditional agricultural sector are examined. This shows the connection between long-run per capita income and subsistence wages. Second, it proves the existence of surplus labour and defines two types of surplus labour. Third, it(More)