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Summary International trade in medicinal herbal products is growing, while value chains are becoming more complex and governed by a range of public and private standards. There is a debate over the extent to which phytomedicine production can be beneficial for farmers in low- and middle-income countries. More generally, there are varied views about the extent to which small farmers are disadvantaged by stringent public health and private consumer standards in northern markets for agricultural products. This paper proves a comparative analysis of value chains, using case studies of turmeric production in India. It marries a qualitative investigation of turmeric producing sites in India with an investigation into the chemical quality of various turmeric products. The aim of the paper is to understand the way that varied structure and governance of value chains changes the benefits to both producer and consumer. When production is for the organic northern market, we found evidence of a “captive” value chain, where the lead firm requires strict adherence to conditions of production and processing. Prices for farmers were relatively stable, at a reasonably high level. In contrast, where farmers were producing for local markets, including the major auction at Erode, prices were volatile and farmers bore considerable risk. We found that competition and volatility in the market-based chain can lead to turmeric adulteration and contamination, both intentional and unintentional. Our case study suggests that many small turmeric farmers would find it difficult to meet both public and private health standards, in contrast to some academic literature that argues that public health standards do not discriminate against small farmers. More than this, our study adds to the discussion of the impact of standards, suggesting clear consumer benefits in northern markets. However, there are also indications that only larger and more dynamic farmers can participate in the lucrative phytomedicine trade. As such, our study tentatively supports previous literature suggesting that the application of standards in northern markets lead to increasing farmer differentiation. [ABSTRACT FROM AUTHOR]

Climate variability has been shown to have adverse effects on morbidity and mortality. Less is known about its effects on psychological well-being, especially in developing countries with agriculture-based economies. In this paper, we test whether extreme temperature and precipitation in India have an effect on self-reported depression symptoms, cognitive and sleep difficulties, and ability to cope with and control life. We use time and geographic variation in weather and show that hot weather in the previous year worsens psychological well-being among rural, but not urban, Indian adults. We examine potential mechanisms and show that the effect is largely driven by hot temperatures during the agricultural season and could be partly attributed to a reduction in agricultural production. We further provide suggestive evidence that the effects of weather shocks could be mitigated with poverty reduction programs such as India’s National Rural Employment Guarantee Scheme. Poor mental health has been associated with low productivity and high healthcare expenditures and is a serious concern in India and many developing countries. The adverse impacts of climate change on rural, agriculture-based economies such as India are likely to increase over time. Given that nearly half of the global population lives in rural areas and is vulnerable to climate variability, understanding the effects of climate on psychological well-being and identifying potential resolutions is critical for insuring vulnerable populations and breaking the poverty cycle. [ABSTRACT FROM AUTHOR]

Summary Geographical Indications (GIs) are increasingly conceived as a development tool. However there are insufficient empirical and conceptual grounds to fine tune their institutionalization. This paper investigates the need for and the role of State intervention in GIs using comparative analysis of the trajectories of Basmati rice and Rooibos tea, emblematic products respectively from India and South Africa. The social relevance of GIs depends on the State’s conception and examination of the link to the origin embodied in the GI. Institutionalization should consider GI as a hybrid between a public quality standard and a specific IPR to protect a heritage-based reputation. [ABSTRACT FROM AUTHOR]

Summary In the context of climate change and its effect on poverty, previous studies have shown that productivity shocks in agriculture, such as rainfall variability, affect wages adversely. None of the studies, however, consider the heterogeneity in the impact of these shocks on agricultural wages by gender, a feature which has been studied for demand shocks in urban labor markets for developed countries. Using National Sample Survey data for India from 1993 to 2007, a district-level panel dataset is created to examine how a rainfall shock affects the gender wage gap. The study shows that both female and male wages are positively related to rainfall shocks. Hence, future studies must study the impact of labor market shocks in rural areas on both female and male wages separately. It also finds that the female-to-male wage ratio is significantly positively associated with a rainfall shock in regions where rainfed rice is cultivated, i.e., low (high) rainfall reduces (increases) the female-to-male ratio. The study demonstrates that this result is due to a positive association of demand for female labor with rainfall in these rainfed rice-growing regions. This finding is consistent with the greater marginal value of female labor in rice cultivation, which is also a crop highly sensitive to rainfall variability under rainfed conditions. The paper concludes that the effect of a rainfall shock on the gender wage gap depends upon the gender roles underlying the technology of production, which varies across cropping systems. [ABSTRACT FROM AUTHOR]

• The study evaluates the impact of regional farm radio broadcasts on adoption of rice and wheat HYVs in India. • Radio increased the percent gross cropped area under the spatially heterogeneous rice HYVs by 2.4 pp. or close to 0.3 SDs. • It had no impact on wheat HYVs, a spatially homogeneous technology with ample social learning. • Radio increased rice yields by 15% but had no impact on wheat yields. Can mass communication play a role in spurring technology adoption and productivity growth in agriculture, particularly when there are significant barriers to social learning? To answer this question, I estimate the impact of regional radio broadcasts, that included significant farm programming, on the adoption of high-yielding varieties (HYVs) of rice and wheat during the Green Revolution in India. I exploit the staggered expansion of the regional radio network to identify the impact. Using an annual district-level administrative dataset from 1966 to 1978, I find that introduction of regional farm radio broadcasts led to a large persistent increase in the adoption of HYVs of rice, a spatially heterogeneous technology less amenable to social learning. By contrast, there was at most a transient impact on the adoption of HYVs of wheat, a spatially homogeneous technology with a lot of scope for social learning. Importantly, I find that the regional farm radio broadcasts increased rice yields by 15%, a magnitude potentially large enough to justify the investments in the expansion of the regional radio network. Overall, this paper demonstrates that mass communication can indeed play a key role in diffusing profitable agricultural innovations when there are significant barriers to social learning. [ABSTRACT FROM AUTHOR]

• The paper looks at productivity differentials across women and men managed farms in India. • We find that productivity on women managed farms is on an average 11% lower than male managed farms. • This gap reduces to 7% once crop choice, input usage, location and farmer characteristics are controlled for. • Semi-parametric decomposition shows that productivity differential remains largest in lower part of the value distribution. • Heterogeneity analyses shows inadequate experience among women managers as a contributor to the residual productivity gap. In India, role of women as farm managers has been veiled behind image of men as primary decision makers on farms. Data shows that approximately 8% farm households had women farm managers in India in 2004, and this number increased to 11% in 2011. This rising phenomenon of farm management by women begets an in depth understanding about these farms, including, differentials in productivity levels across men and women managers. This paper uses three measures to capture productivity – production value, profit value and crop specific yields. Results show that total farm production and profits are lower by approximately 11% in households where women manage farms. This falls to 7% when controls for crop choice, input usage, location and farmer characteristics are included. The main mediating factors in explaining the productivity gap are crop choice and input usage, explaining almost 45% of the productivity gap. Further, the paper provides suggestive evidence on mechanisms contributing to the remaining productivity difference that cannot be explained by differences in observed characteristics. It shows that inadequate experience of women farm managers in agricultural production processes can be an important factor behind the remaining gap. The study makes two contributions to the literature – one, it is the first quantitative study in the Indian context on gender differentials in farm productivity and second, it applies semi-parametric decomposition techniques to look at the productivity differentials along the entire distribution. [ABSTRACT FROM AUTHOR]