Does rising inequality delay marriage? Evidence from India

Top incomes in India have been rising sharply since the 1980s. In this chapter, we show that this phenomenon may have resulted in delays to female marriage. Our analysis takes advantage of cross-sectional variation in earnings distribution across narrowly defined marriage markets. We find that female marriage rates decline in response to increases in top male incomes. We also find marked effects on women’s educational attainment (in terms of years of schooling, as well as high school and college completion rates). We examine a number of hypotheses, and conclude that the pattern of results suggests a mechanism in which increases in top male incomes prolong the duration of marital search on the part of women

Why farmers sometimes love risks: evidence from India

Using a unique data set collected among farmers in India’s semiarid tropics, we document the surprising prevalence of risk-taking behavior in the face of realistically framed high-stakes gambles. We hypothesize that this apparently anomalous behavior is due to a combination of credit constraints and nonconvexities in production. In particular, the high-stakes nature of the gambles creates the potential for a farmer to undertake a productive investment that would normally be unaffordable and thereby move to a permanently higher level of income. We show that the degree to which farmers are willing to accept risk in return for this opportunity appears to relate in an intuitive way to their current agricultural production technology as well as the demographic composition of their household

Barriers to nutrition management among people living with HIV on antiretroviral therapy

2011 Summer.Includes bibliographical references.Human Immunodeficiency Virus (HIV) is a virus that attacks and impairs the body's natural defense system against disease and infection, in part through depletion of nutrients that are implicated in malnutrition and weight loss. Many nutritional problems among people living with HIV can be managed via nutrition intervention. No wide scale evaluation of HIV patient access or adherence to comprehensive nutrition intervention exists; however, there are potential barriers among patients to following nutrition advice from healthcare providers even when delivered. An online questionnaire among healthcare providers, along with focus groups and semi-structured interviews among patients living with HIV at three healthcare settings in Colorado were utilized in the current study in an effort to identify the barriers to nutrition management among people living with HIV. Healthcare providers reported being limited in the amount of nutrition intervention they could provide based on a lack of time and in-house referral services, and the co-occurrence of multiple illnesses among patients that demanded time and energy during appointments. Patients were limited in their ability to optimally manage their diet based on finances and transportation available for acquiring food, side effects associated with ARV (antiretroviral) medications, and their own cooking and meal planning skills. The nature of the barriers identified in the current study suggested a systems approach to optimizing nutrition management among HIV-positive patients may be an appropriate future direction of action

Efficiency of Fish Propulsion

It is shown that the system efficiency of a self-propelled flexible body is ill-defined unless one considers the concept of quasi-propulsive efficiency, defined as the ratio of the power needed to tow a body in rigid-straight condition over the power it needs for self-propulsion, both measured for the same speed. Through examples we show that the quasi-propulsive efficiency is the only rational non-dimensional metric of the propulsive fitness of fish and fish-like mechanisms. Using two-dimensional viscous simulations and the concept of quasi-propulsive efficiency, we discuss the efficiency two-dimensional undulating foils. We show that low efficiencies, due to adverse body-propulsor hydrodynamic interactions, cannot be accounted for by the increase in friction drag

Effects of the feeding system on performance and myopathy occurrence in two broiler chicken genotypes

To evaluate whether performance and myopathy occurrence differed according to genotype (Cobb 500 vs. Ross 308) and feeding system (AL: ad libitum vs. ER: early restricted from 13 to 23 d of age, vs. LR: late restricted from 27 to 37 d; restriction rate: 80% of ad libitum), 828 day- old male chicks were assigned to 6 groups (2 x 3 arrangement), housed in 36 pens, and controlled for: individual live weight (weekly) and pen feed intake (daily) until slaughter (48 d); white striping and wooden breast occurrence at slaughter. Individual data were analysed by PROC MIXED of SAS (fixed effects: feeding system, genotype, and interaction; random effect: pen); pen feed intake and myopathy occurrence were analysed by PROC GLM and CATMOD, respectively. The feeding system affected performance: at the end of the first period (1-22 d), ER chickens showed lower weight gain (40.5 g/d vs. 47.8 g/d and 48.0 g/d), feed intake (50.8 g/d vs 61.0 g/d and 60.2 g/d) and weight (903 g vs 1056 g and 1059 g) than AL and LR broilers (P<0.001); at the end of the second period (23-48 d), ER chickens showed higher weight gain (98.3 g/d vs 93.6 g/d and 90.2 g/d) and feed intake (182 g/d vs. 177 g/d and 171 g/d) compared to AL and LR chickens (P<0.001). Final live weight was the highest in AL group, intermediate in ER group, and the lowest in the LR one (3482 g, 3454 g, and 3399 g; P<0.01). Feed conversion in the whole period did not change with the feeding system. At gross examination, white striping occurrence changed from 77.8% to 67.1%, and 81.7% in AL, ER and LR broilers (p<0.10). Differences between genotypes were evident from the first day and, at the end of the trial, weight gain (74.3 g/d vs 70.1 g/d), feed intake (126 g/d vs 114 g/d), feed conversion (1.69 vs 1.64), and live weight (3548 g vs. 3342 g) were higher in the Ross than in the Cobb chickens (P<0.001). At slaughter, the rate of white-striped breasts was similar (on average 75.5%), but the occurrence of severely white-striped breasts was higher in the Ross than in the Cobb chickens (25.9% vs. 7.41%; P<0.001). Wooden breast occurrence (on average 5.1%) did not change with the feeding system or the genotype. In conclusion, under our conditions, a late feed restriction did not permit to recover performance at the end of the trial nor to control white striping occurrence. Moreover, the genotype affected growth rate and white striping degree: the highest the growth rate, the highest the severity of white striping

Mapping EQ-5D utilities to GBD 2010 and GBD 2013 disability weights : results of two pilot studies in Belgium

Background: Utilities and disability weights (DWs) are metrics used for calculating Quality-Adjusted Life Years and Disability-Adjusted Life Years (DALYs), respectively. Utilities can be obtained with multi-attribute instruments such as the EuroQol 5 dimensions questionnaire (EQ-5D). In 2010 and 2013, Salomon et al. proposed a set of DWs for 220 and 183 health states, respectively. The objective of this study is to develop an approach for mapping EQ-5D utilities to existing GBD 2010 and GBD 2013 DWs, allowing to predict new GBD 2010/2013 DWs based on EQ-5D utilities. Methods: We conducted two pilot studies including respectively four and twenty-seven health states selected from the 220 DWs of the GBD 2010 study. In the first study, each participant evaluated four health conditions using the standard written EQ-5D-5 L questionnaire. In the second study, each participant evaluated four health conditions randomly selected among the twenty-seven health states using a previously developed web-based EQ-5D-5 L questionnaire. The EQ-5D responses were translated into utilities using the model developed by Cleemput et al. A loess regression allowed to map EQ-5D utilities to logit transformed DWs. Results: Overall, 81 and 393 respondents completed the first and the second survey, respectively. In the first study, a monotonic relationship between derived utilities and predicted GBD 2010/2013 DWs was observed, but not in the second study. There were some important differences in ranking of health states based on utilities versus GBD 2010/2013 DWs. The participants of the current study attributed a relatively higher severity level to musculoskeletal disorders such as ‘Amputation of both legs’ and a relatively lower severity level to non-functional disorders such as ‘Headache migraine’ compared to the participants of the GBD 2010/2013 studies. Conclusion: This study suggests the possibility to translate any utility derived from EQ-5D scores into a DW, but also highlights important caveats. We observed a satisfactory result of this methodology when utilities were derived from a population of public health students, a written questionnaire and a small number of health states in the presence of a study leader. However the results were unsatisfactory when utilities were derived from a sample of the general population, using a web-based questionnaire. We recommend to repeat the study in a larger and more diverse sample to obtain a more representative distribution of educational level and age

The Effects of Social Learning, Imitation and Social Pressures on Bacillus thuringiensis Cotton Technology Adoption Decisions in India

The data for this working paper were gathered in India during August 2007-November 2008 in collaboration with the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) in Patancheru, Andhra Pradesh, India. This research is funded through a combination of grants: a National Science Foundation Doctoral Dissertation Research Improvement Grant, an American Agricultural Economics Association McCorkle Fellowship, a Mario Einaudi Center for International Studies International Research Travel Grant, a Graduate School Research Travel Grant and an International Student and Scholar Office Grant

Effect of Traditional Birth Attendant Training on Maternal Knowledge of Pregnancy and Newborn Risk Factors

Sebagai bagian dari studi intervensi di Tanjungsari, telah dilaksanakan dua survai di suatu kecamatan di Jawa Barat. Tujuan survai adalah untuk mengetahui tingkat pengetahuan mengenai faktor-faktor risiko dari penduduk wanita usia reproduktif dalam kecamatan tersebut. Hasil penelitian menunjukkan adanya tingkat pengetahuan yang cukup tinggi pada responden mengenai faktor-faktor risiko, yang kurang diketahui sebagai faktor-faktor risiko ialah berat badan lahir, penurunan berat badan bayi baru lahir, panjang badan, lingkaran lengan atas dan kelahiran kembar. Dapat disimpulkan bahwa meskipun tingkat pengetahuan cukup tinggi, masih perlu diusahakan peningkatan pengetahuan tersebut. Pengetahuan saja belum cukup untuk terjadinya pembahan dalam perilaku. Faktor yang menunjang untuk melaksanakan rujukan seperti perbaikan jalan dan transportasi, tersedianya pelayanan kesehatan dan perbaikan sosial ekonomi juga sangat penting untuk berubahnya perilaku rujukan

Construction, start-up and operation of a continuously aerated laboratory-scale SHARON reactor in view of coupling with an Anammox reactor

In this study practical experiences during start-up and operation of a laboratory-scale SHARON reactor are discussed, along with the construction of the reactor. Special attention is given to the start-up in view of possible toxic effects of high nitrogen concentrations (up to 4 000 mgN(.)l(-1)) on the nitrifier population and because the reactor was inoculated with sludge from an SBR reactor operated under completely different conditions. Because of these considerations, the reactor was first operated as an SBR to prevent biomass washout and to allow the selection of a strong nitrifying population. A month after the inoculation the reactor was switched to normal chemostat operation. As a result the nitrite oxidisers were washed out and only the ammonium oxidisers persisted in the reactor. In this contribution also some practical considerations concerning the operation of a continuously aerated SHARON reactor, such as mixing, evaporation and wall growth are discussed. These considerations are not trivial, since the reactor will be used for kinetic characterisation and modelling studies. Finally the performance of the SHARON reactor under different conditions is discussed in view of its coupling with an Anammox unit. Full nitrification was proven to be feasible for nitrogen loads up to 1.5 gTAN-N(.)l(-1.)d(-1), indicating the possibility of the SHARON process to treat highly loaded nitrogen streams. Applying different influent concentrations led to different effluent characteristics indicating the need for proper control of the SHARON reactor