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22 results on '"Bhattacharya, Poulomi"'

13. Drivers of blue economy in Asia and Pacific Island countries: An empirical investigation of tourism and fisheries sectors

Author

Bhattacharya, Poulomi and Dash, Aruna Kumar

Subjects
O56, fisheries, ddc:330, tourism, island countries, panel data model, blue economy, Q22, sustainability, C33
Abstract

This study examines the determinants of blue economy activities, namely tourism and fisheries, in 21 Asia and Pacific island countries during the period 1996 to 2016. Using a panel data model, it was found that the size of the blue economy positively depends on the gross fixed capital formation and access to electricity in Asia and Pacific island countries. We find that the size of the blue economy has responded positively to sustainable ocean management policies. Hence, our findings support the need for, and effectiveness of, the implementation of sustainable ocean governance policies in the Asia and Pacific island region, which can further strengthen the growth of these island countries.

Published
2020

14. Innovation and Firm-level Labour Productivity: A Comparison of Chinese and Indian Manufacturing Based on Enterprise Surveys

Author

Bhattacharya, Poulomi, Rath, Badri Narayan, Bhattacharya, Poulomi, and Rath, Badri Narayan

Abstract

This article examines the impact of innovation on labour productivity by using latest World Bank Enterprise Surveys data and compares the results between Chinese and Indian manufacturing sector. The article uses cross-section data based on two surveys that were conducted by the World Bank in 2012 and 2014 for China and India, respectively. By employing simple ordinary least squares (OLS) regression technique, we find that innovation affects the labour productivity positively for Chinese as well as Indian manufacturing firms, but its impact on firm productivity is relatively weak in case of India as compared to China. Second, other factors such as average wage of the workers, education of production workers and training do significantly boost the labour productivity of Chinese manufacturing firms as well as for Indian firms. Third, our results based on firm size also indicate that the impact of innovation activities on labour productivity is higher in case of large firms as compared to medium firms. However, innovation does not affect the labour productivity of small manufacturing firms for both China and India. In terms of policy, it is important for both Chinese and Indian manufacturing firms to keep pursuing innovation activities, in order to spur productivity, which would strengthen firms’ growth.

Published
2020

21. Supply Response of Milk Production: Analysis and Implications for BRIC Countries

Author

Bhattacharya, Poulomi, Rath, Badri Narayan, Dash, Arun Kumar, Bhattacharya, Poulomi, Rath, Badri Narayan, and Dash, Arun Kumar

Abstract

This paper examines the supply response of milk production in BRIC countries using annual data for the period 1992 to 2010. The results derived from panel data analysis support a strong positive supply response of milk prices to the number of milking animals and total milk yield. The study also finds a strong association between price of substitutes between chicken meat and milk. The non-price factors like membership in WTO and exports have a positive impact on supply response in terms of number of milking animals. The study unfolds that export of milk have a favorable impact on the supply response both in terms of number of milking animals and milk yield. The analysis suggests that milk supply in BRIC countries is responsive to the price factors and hence price support and subsidies programmes for dairy farmers in BRIC need to more visible and effective. Such results clearly make a case for introduction of Minimum Support Price (MSP) for milk famers in BRIC countries. Milk producers in BRIC countries can take advantage of the enhanced market access provided by WTO and simultaneously increase their herd size.

Published
2016

22. Sex steroid induced apoptosis as a rational strategy to treat anti-hormone resistant breast and prostate cancer.

Author

Jordan VC, Fan P, Abderrahman B, Maximov PY, Hawsawi YM, Bhattacharya P, and Pokharel N

Subjects
Androgen Antagonists therapeutic use, Androgens administration & dosage, Androgens therapeutic use, Androstenes pharmacology, Androstenes therapeutic use, Antineoplastic Agents, Hormonal pharmacology, Breast Neoplasms epidemiology, Breast Neoplasms pathology, Chemotherapy, Adjuvant, Estrogen Antagonists pharmacology, Estrogen Antagonists therapeutic use, Estrogens administration & dosage, Estrogens therapeutic use, Female, Humans, Incidence, Male, Neoplasm Recurrence, Local epidemiology, Prostatic Neoplasms epidemiology, Prostatic Neoplasms pathology, Quality of Life, Receptors, Estrogen metabolism, Survival Rate, Tamoxifen pharmacology, Tamoxifen therapeutic use, Antineoplastic Agents, Hormonal therapeutic use, Antineoplastic Combined Chemotherapy Protocols therapeutic use, Apoptosis drug effects, Breast Neoplasms drug therapy, Drug Resistance, Neoplasm, Neoplasm Recurrence, Local prevention & control, Prostatic Neoplasms drug therapy
Abstract

The combined incidence and the extended disease course of breast and prostate cancer is a major challenge for health care systems. The solution for society requires an economically viable treatment strategy to maintain individuals disease free and productive, so as to avoid the fracture of the family unit. Forty years ago, translational research using the antiestrogen tamoxifen was targeted to estrogen receptor (ER) positive micrometastatic tumor cells and established the long-term antihormone adjuvant treatment strategy used universally today. The antihormone strategy was the accepted structure of cancer biology. Sex steroid deprivation therapy remains the orthodox strategy for the treatment of both breast and prostate cancer. Despite major initial therapeutic success, the strategies of long term anti-hormone therapies with either tamoxifen or aromatase inhibitors (AI) or antiandrogens or abiraterone for breast and prostate cancer, respectively, eventually lead to a significant proportion of anti-hormone resistant or stimulated tumor growth. Remarkably, a general principle of anti-hormone resistance has emerged for both breast and prostate cancer based primarily on clinical and supportive laboratory data. Paradoxically, anti-hormone resistant cell populations emerge and grow but are vulnerable to the cytotoxicity of estrogen or androgen-induced apoptosis for both breast and prostate cancer, respectively. These consistent anticancer actions of sex steroids appear to recapitulate the more complex mechanism of bone remodeling in elderly men and women during sex steroid deprivation. Estrogen is the key hormone in both sexes because in men androgen is first converted to estrogen. Estrogen regulates and triggers apoptosis in osteoclasts that develop during estrogen deprivation and destroy bone to cause osteoporosis. Sex steroid deprived breast and prostate cancer has recruited a streamlined natural apoptotic program from the human genome, but this is suppressed in the majority of sex steroid deprived tumors. Targeted strategies to neutralize cell survival pathways are now required to amplify and enhance sex steroid induced apoptosis. Successful blockade of the critical pathways for cell survival will introduce an inexpensive targeted therapy to maintain breast and prostate cancer patients indefinitely. Rotating anti-hormonal and sex steroid targeted cocktails could maintain patients at a microscopic tumor burden to enhance the quality of life, enhance survival, and maintain the family as a self-supporting and economically productive unit within society.

Published
2016

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