This article researches fluctuation of exchange rate has impacts on China import unit price of soybeans trading to USA, Argentina, and Brazil. Based on yearly and monthly bilateral soybeans trade data from 1999 to 2010, empirical results show that exchange rate is statistically significant to...

This study investigates price relationships between organic and conventional carrots, tomatoes, and lettuce in the U.S. utilizing Nielsen scanner data from 2006 to 2015. We employ a threshold vector error correction model (TVECM), threshold vector autoregressive model (TVAR), and threshold...

Sustainable ecosystem management, challenges and solutions : sustainable ecosystem management / Joan Nyika -- Understanding water-food-energy nexus in the climate change era and the roadmap to implementation in South Africa : water-food-energy nexus / Joan Nyika -- Vulnerability of oasis...

Ever more agricultural economics departments are offering appointments for nine rather than twelve months but little if any analysis of the impact of this change has been done. Our research shows that converting to nine-month contracts is an effective way to raise salaries without an initial...