103 research outputs found

    Has the Emergence of China Hurt Asian Exports?

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    We investigate whether the exports of manufactured products by the South Asian and South East Asian countries have been negatively affected by the rise of China. Using a panel data approach, we find that increases in world market shares of China are statistically correlated with declines in world market shares for some Asian countries since 1994, but not before 1994.exports, China, Asian crisis

    From rescue to recovery, to transformation and growth: building a better world after COVID-19

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    The COVID-19 pandemic has underlined the fragility and dangers of the old growth path. There can be no going back to the old normal, argue Amar Bhattacharya and Nicholas Stern

    Volatility and contagion in a financially integrated world : lessons from East Asia's recent experience

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    The buildup of vulnerabilities in East Asia is shown here to be mainly the result of weaknesses in financial intermediation, poor corporate governance, and deficient government policies, including pro-cyclical macroeconomic policy responses to large capital inflows. Weak due diligence by external creditors, fueled partly by ample global liquidity, also played a role but global factors were more important in triggering the crises than in causing them. The crisis occurred partly because the economies lacked the institutional and regulatory structure to cope with increasingly integrated capital markets. Trouble arose from private sector decisions (by both borrowers and lenders) but governments created incentives for risky behavior and exerted little regulatory authority. Governments failed to encourage the transparency needed for the market to recognize and correct such problems as unreported mutual guarantees, insider relations, and nondisclosure of banks'and companies'true net positions. Domestic weaknesses were aggravated by poorly disciplined foreign lending. The problem was not so much overall indebtedness as the composition of debt; a buildup of short-term unhedged debt left the economics vulnerable to a sudden loss of confidence. The same factors made the crisis's economic and social impact more severe than some anticipated. The loss of confidence directly affected by private demand - both investment and consumption - which could not be offset in the short run by net external demand. The effect on corporations and financial institutions has been severe because of the high degree of leveraging and the unhedged, short-term nature of foreign liabilities, which has led to a severe liquidity crunch. Domestic recession, financial and corporate distress, liquidity constraints, and political uncertainty were self-reinforcing, leading to a severe downturn.International Terrorism&Counterterrorism,Economic Theory&Research,Fiscal&Monetary Policy,Payment Systems&Infrastructure,Banks&Banking Reform,Macroeconomic Management,Banks&Banking Reform,Financial Crisis Management&Restructuring,Economic Theory&Research,Financial Intermediation

    Regulating global capital flows for long-run development

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    This repository item contains a single issue of the Pardee Center Task Force Reports, a publication series that began publishing in 2009 by the Boston University Frederick S. Pardee Center for the Study of the Longer-Range Future. The Task Force was co-sponsored by the BU Pardee Center, the Initiative for Policy Dialogue at Columbia University, and the Global Development and Environment Institute at Tufts University, and it met at Boston University in September 2011. The Task Force Co-Chairs authored an Issues In Brief on this subject in November 2011 published by the Pardee Center.This report is the product of the Pardee Center Task Force on Regulating Global Capital Flows for Long-Run Development convened in September 2011 on behalf of the Pardee Center’s Global Economic Governance Initiative led by Kevin P. Gallagher, Associate Professor of International Relations at Boston University. Gallagher co-chaired the Task Force along with Stephany Griffith-Jones and José Antonio Ocampo of the Initiative for Policy Dialogue (IPD) at Columbia University. With contributions from a dozen prominent scholars and practitioners in the field of global finance and development, the report is intended to contribute expert knowledge to an important and very timely debate concerning whether and how nations can use what have been traditionally referred to as capital controls (classified in the report as ‘capital account regulations’ or CARs) to prevent and mitigate financial crises caused by short-term speculative capital flows in developing countries. Based on discussions among members at the September 2011 meeting, the report posits that there is a clear rationale for capital account regulations in the wake of the 2008 financial crisis, that the design and monitoring of such regulations is essential for their effectiveness, and that a limited amount of global and regional cooperation would be useful to ensure that CARs can form an effective part of the macroeconomic policy toolkit. The protocol for deploying capital account regulations in developing countries that is put forth here stands in stark contrast to a set of guidelines for the use of capital controls endorsed by the board of the International Monetary Fund (IMF) in March 2011. However the Task Force’s recommendations are more in sync with the set of “coherent conclusions” on capital account regulations endorsed by the G-20 in November 2011. Our hope is that this Pardee Center Task Force Report will help inform the discussions and decisions of policymakers and the IMF as they move forward on this issue under the rubric of the G-20 recommendations

    Development that works, March 31, 2011

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    This repository item contains a single issue of the Pardee Conference Series, On March 31, 2011, more than 100 people participated in a conference titled “Development That Works,” sponsored by Boston University’s Frederick S. Pardee Center for the Study of the Longer-Range Future in collaboration with the BU Global Development program. In the pages that follow, four essays written by Boston University graduate students capture the salient points and overarching themes from the four sessions, each of which featured presentations by outstanding scholars and practitioners working in the field of development. The conference agenda and speakers’ biographies are included following the essays.The theme and the title of the conference—”Development That Works”—stemmed from the conference organizers’ desire to explore, from a groundlevel perspective, what programs, policies, and practices have been shown—or appear to have the potential—to achieve sustained, long-term advances in development in various parts of the world. The intent was not to simply showcase “success stories,” but rather to explore the larger concepts and opportunities that have resulted in development that is meaningful and sustainable over time. The presentations and discussions focused on critical assessments of why and how some programs take hold, and what can be learned from them. From the influence of global economic structures to innovative private sector programs and the need to evaluate development programs at the “granular” level, the expert panelists provided well-informed and often provocative perspectives on what is and isn’t working in development programs today, and what could work better in the future

    Scaling of the buckling transition of ridges in thin sheets

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    When a thin elastic sheet crumples, the elastic energy condenses into a network of folding lines and point vertices. These folds and vertices have elastic energy densities much greater than the surrounding areas, and most of the work required to crumple the sheet is consumed in breaking the folding lines or ``ridges''. To understand crumpling it is then necessary to understand the strength of ridges. In this work, we consider the buckling of a single ridge under the action of inward forcing applied at its ends. We demonstrate a simple scaling relation for the response of the ridge to the force prior to buckling. We also show that the buckling instability depends only on the ratio of strain along the ridge to curvature across it. Numerically, we find for a wide range of boundary conditions that ridges buckle when our forcing has increased their elastic energy by 20% over their resting state value. We also observe a correlation between neighbor interactions and the location of initial buckling. Analytic arguments and numerical simulations are employed to prove these results. Implications for the strength of ridges as structural elements are discussed.Comment: 42 pages, latex, doctoral dissertation, to be submitted to Phys Rev

    Shallow-water hydrothermal venting linked to the Palaeocene–Eocene Thermal Maximum

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    The Palaeocene–Eocene Thermal Maximum (PETM) was a global warming event of 5–6 °C around 56 million years ago caused by input of carbon into the ocean and atmosphere. Hydrothermal venting of greenhouse gases produced in contact aureoles surrounding magmatic intrusions in the North Atlantic Igneous Province have been proposed to play a key role in the PETM carbon-cycle perturbation, but the precise timing, magnitude and climatic impact of such venting remains uncertain. Here we present seismic data and the results of a five-borehole transect sampling the crater of a hydrothermal vent complex in the Northeast Atlantic. Stable carbon isotope stratigraphy and dinoflagellate cyst biostratigraphy reveal a negative carbon isotope excursion coincident with the appearance of the index taxon Apectodinium augustum in the vent crater, firmly tying the infill to the PETM. The shape of the crater and stratified sediments suggests large-scale explosive gas release during the initial phase of vent formation followed by rapid, but largely undisturbed, diatomite-rich infill. Moreover, we show that these vents erupted in very shallow water across the North Atlantic Igneous Province, such that volatile emissions would have entered the atmosphere almost directly without oxidation to CO2 and at the onset of the PETM

    Shallow-water hydrothermal venting linked to the Palaeocene–Eocene Thermal Maximum

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    The Palaeocene–Eocene Thermal Maximum (PETM) was a global warming event of 5–6 °C around 56 million years ago caused by input of carbon into the ocean and atmosphere. Hydrothermal venting of greenhouse gases produced in contact aureoles surrounding magmatic intrusions in the North Atlantic Igneous Province have been proposed to play a key role in the PETM carbon-cycle perturbation, but the precise timing, magnitude and climatic impact of such venting remains uncertain. Here we present seismic data and the results of a five-borehole transect sampling the crater of a hydrothermal vent complex in the Northeast Atlantic. Stable carbon isotope stratigraphy and dinoflagellate cyst biostratigraphy reveal a negative carbon isotope excursion coincident with the appearance of the index taxon Apectodinium augustum in the vent crater, firmly tying the infill to the PETM. The shape of the crater and stratified sediments suggests large-scale explosive gas release during the initial phase of vent formation followed by rapid, but largely undisturbed, diatomite-rich infill. Moreover, we show that these vents erupted in very shallow water across the North Atlantic Igneous Province, such that volatile emissions would have entered the atmosphere almost directly without oxidation to CO2 and at the onset of the PETM

    Evaluation of 309 Environmental Chemicals Using a Mouse Embryonic Stem Cell Adherent Cell Differentiation and Cytotoxicity Assay

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    The vast landscape of environmental chemicals has motivated the need for alternative methods to traditional whole-animal bioassays in toxicity testing. Embryonic stem (ES) cells provide an in vitro model of embryonic development and an alternative method for assessing developmental toxicity. Here, we evaluated 309 environmental chemicals, mostly food-use pesticides, from the ToxCast™ chemical library using a mouse ES cell platform. ES cells were cultured in the absence of pluripotency factors to promote spontaneous differentiation and in the presence of DMSO-solubilized chemicals at different concentrations to test the effects of exposure on differentiation and cytotoxicity. Cardiomyocyte differentiation (α,β myosin heavy chain; MYH6/MYH7) and cytotoxicity (DRAQ5™/Sapphire700™) were measured by In-Cell Western™ analysis. Half-maximal activity concentration (AC50) values for differentiation and cytotoxicity endpoints were determined, with 18% of the chemical library showing significant activity on either endpoint. Mining these effects against the ToxCast Phase I assays (∼500) revealed significant associations for a subset of chemicals (26) that perturbed transcription-based activities and impaired ES cell differentiation. Increased transcriptional activity of several critical developmental genes including BMPR2, PAX6 and OCT1 were strongly associated with decreased ES cell differentiation. Multiple genes involved in reactive oxygen species signaling pathways (NRF2, ABCG2, GSTA2, HIF1A) were strongly associated with decreased ES cell differentiation as well. A multivariate model built from these data revealed alterations in ABCG2 transporter was a strong predictor of impaired ES cell differentiation. Taken together, these results provide an initial characterization of metabolic and regulatory pathways by which some environmental chemicals may act to disrupt ES cell growth and differentiation
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