1,914 research outputs found

    Finance and income inequality : test of alternative theories

    Get PDF
    Although theoretical models make distinct predictions about the relationship between financial sector development and income inequality, little empirical research has been conducted to compare their relative explanatory power. The authors examine the relation between financial intermediary development and income inequality in a panel data set of 91 countries for the period 1960-95. Their results provide evidence that inequality decreases as economies develop their financial intermediaries, consistent with the theoretical models in Galor and Zeira (1993) and Banerjee and Newman (1993). Moreover, consistent with the insight of Kuznets, the relation between the Gini coefficient and financial intermediary development appears to depend on the sectoral structure of the economy: a larger modern sector is associated with a smaller drop in the Gini coefficient for the same level of financial intermediary development. But there is no evidence of an inverted-U-shaped relation between financial sector development and income inequality, as suggested by Greenwood and Jovanovic (1990). The results are robust to controlling for biases introduced by simultaneity.Poverty Impact Evaluation,Environmental Economics&Policies,Health Economics&Finance,Economic Theory&Research,Payment Systems&Infrastructure,Inequality,Economic Theory&Research,Poverty Impact Evaluation,Environmental Economics&Policies,Health Economics&Finance

    Finance and Income Inequality: What Do the Data Tell Us?

    Get PDF
    Although there are distinct conjectures about the relationship between finance and income inequality, little empirical research compares their explanatory power. We examine the relationship between finance and income inequality for 83 countries between 1960 and 1995. Because financial development might be endogenous, we use instruments from the literature on law, finance, and growth to control for this. Our results suggest that, in the long run, inequality is less when financial development is greater, consistent with Galor and Zeira (1993) and Banerjee and Newman (1993). Although the results also suggest that inequality might increase as financial sector development increases at very low levels of financial sector development, as suggested by Greenwood and Jovanovic (1990), this result is not robust. We reject the hypothesis that financial development benefits only the rich. Our results thus suggest that in addition to improving growth, financial development also reduces inequality.

    The Profundity of Polychoralism: Exploring the work of Jonathan David Little [Interview and CD review]

    Get PDF
    Extended (7000-word) composer interview and CD review of "Woefully Arrayed: Sacred & Secular Choral & Polychoral Music of Jonathan David Little", by London-based international music critic, Colin Clarke. [INTERVIEW:] "The disc of sacred and secular choral and polychoral music by Jonathan David Little, Woefully Arrayed … is nothing short of remarkable. Stunningly recorded, the pure sonic joy is visceral. On a personal level, I haven’t experienced such revelation in choral terms since the Tallis Scholars’ first recording of the Allegri Miserere. As an interviewee, it turns out, Little is every inch as fascinating as his music. The following in-depth interview may be seen as an indispensable complement to the listening experience itself." [CD REVIEW:] "Jonathan David Little is a composer whose music is vital, urgent and yet somehow timeless at the same time. … Woefully Arrayed has a mesmeric element to it … [and] is a masterpiece of time-stretching. As lines float and interact throughout the soundspace, there is a distinct impression of atemporality, of altering the way the listener experiences time. … sound is superb, full and reverberant … magnificently handled … A superb disc, one that simply gets better on each and every listening. There is a radiance to Little’s writing that seems shot through with spiritual light and which speaks on a very deep level to the listener." PROJECT OVERVIEW: International Polychoral Music Composition, Recording and Dissemination Project (2015-17) “The lost potential of the acoustics of performing spaces begins to be rediscovered in these works.” A complex and ambitious, large-scale, two-year “polychoral” music creation and recording project was commissioned by the Australia Council – involving communicating how “re-discovered” ancient Renaissance and Baroque techniques of acoustically-innovative performer placement may be revived within new, original, contemporary contexts. One aim was to generate interest in largely long-forgotten, but still hugely useful and aurally impressive composition methods. Following a period of research and experimentation, several new, accessible choral works were created – most featuring intricate, a cappella, polychoral-inspired techniques. Therefore different sections of the choir, or different “sub-choirs” and/or vocal soloists, are sometimes placed in various arrangements around and above the audience (occasionally also involving movement). Due to the incorporation of such techniques, a striking extra dimension is added both to recordings and live performances – where the aural “spatial” interest creates a quasi-theatrical effect. OPEN-ACCESS ONLINE CD BOOKLET (including contextual essay, spatial configuration diagrams, lyrics, pictures and notes): http://www.navonarecords.com/catalog/nv6113/booklet---woefully-arrayed---jonathan-little.htm

    Experience in Imaging Medullary Thyroid Carcinoma Using 99mTc (V) Dimercaptosuccinic Acid (DMSA)

    Get PDF
    99mTc (V) dimercaptosuccinic acid (DMSA) is a new tumor imaging agent that has been successfully used to image patients with medullary thyroid carcinoma (MTC). Since 1986, studies have been performed in 32 patients with histologically proven MTC at Guy\u27s Hospital, London, England. Five patients with primary tumor were studied prior lo surgery, four patients were studied after successful removal of the primary tumor, and 26 patients with biochemical evidence of recurrence were studied. Eight patients were studied serially to assess progression of disease, and four patients were studied before and after surgery. Twenty-one of the 26 patients with disease had positive scans with four false negative scans and three true negative scans. One patient had a false-positive scan (sensitivity 80%, specificity 75%). Two of the false-negative scans were obtained in patients with moderate but stable elevations of calcitonin but no other evidence of recurrence. One false-negative scan was obtained in a patient who was discovered on screening to have an abnormal pentagastrin response, and a small 1 cm tumor was subsequently removed. Uptake in local neck recurrence was frequently intense, but uptake at sites of bone metastases was less marked. 99mTc (V) DMSA is an inexpensive radiopharmaceutical which produces good quality images and has been shown to have an acceptable sensitivity and specificity in the follow-up of patients with MTC and thereby contributes significantly to the management of these patients

    Resolution of Key Roles for the Distal Pocket Histidine in Cytochrome c Nitrite Reductases

    Get PDF
    Cytochrome c nitrite reductases perform a key step in the biogeochemical N-cycle by catalyzing the six-electron reduction of nitrite to ammonium. These multi-heme cytochromes contain a number of His/His ligated c-hemes for electron transfer and a structurally differentiated heme that provides the catalytic center. The catalytic heme has proximal ligation from lysine, or histidine, and an exchangeable distal ligand bound within a pocket that includes a conserved histidine. Here we describe properties of a penta-heme cytochrome c nitrite reductase in which the distal His has been substituted by Asn. The variant is unable to catalyze nitrite reduction despite retaining the ability to reduce a proposed intermediate in that process, namely, hydroxylamine. A combination of electrochemical, structural and spectroscopic studies reveals that the variant enzyme simultaneously binds nitrite and electrons at the catalytic heme. As a consequence the distal His is proposed to play a key role in orienting the nitrite for N-O bond cleavage. The electrochemical experiments also reveal that the distal His facilitates rapid nitrite binding to the catalytic heme of the native enzyme. Finally it is noted that the thermodynamic descriptions of nitrite- and electron-binding to the active site of the variant enzyme are modulated by the prevailing oxidation states of the His/His ligated hemes. This is behavior that is likely to be displayed by other multi-centered redox enzymes such that there are wide implications for considering the determinants of catalytic activity in this important and varied group of oxidoreductases

    Privatization, competition and corruption: How characteristics of bribe takers and payers after bribe payments to utilities

    Full text link
    Many recent studies have looked at the macroeconomic, cultural and institutional determinants of corruption at the cross-national level. This study complements these existing cross-country studies by focusing on firm-level evidence of microeconomic factors affecting bribes paid in a single sector of the economy. Using enterprise-level data on bribes paid to utilities in 21 transition economies in Eastern Europe and Central Asia, we examine how characteristics of the utilities taking bribes and the firms paying bribes affect the equilibrium level of corruption in the sector. Bribe takers (utility employees) are more likely to take bribes in countries with greater constraints on utility capacity, lower levels of competition in the utility sector, and where utilities are state-owned. Bribe payers (enterprises) are more likely to pay bribes when they are more profitable, have greater overdue payment to utilities, and are de novo private firms. A thorny issue in the empirical literature on corruption is how to distinguish between the "endogenous harassment" and "speed money" theories of corruption. The former receives stronger support from some of the results than the latter

    Throwing in the Towel: Why Insurgents Negotiate

    Get PDF
    Negotiating with insurgents can be a perilous endeavor and talks do not always succeed in ending the conflict. A comprehensive review of the counterinsurgency (COIN, henceforth) literature reveals an emphasis on “how to win” in COIN, in addition to an overrepresentation of the same handful of case studies—Algeria, Malaya, Vietnam—with little to offer in the way of concrete policy prescriptions regarding conflict resolution. By examining four more recent insurgencies (Northern Ireland, Lebanon, Sri Lanka, and South Africa) and the operational and organizational capacities of each group, this dissertation identifies several factors related to an insurgent group’s likelihood of negotiating with the host-nation government, including sanctuary, financing, group composition, popular support, and a military stalemate. After completing a cross-case comparative analysis of the four groups, policy implications and recommendations are provided for the Afghan Taliban. This research relies on archived documents, books, journal articles, semi-structured interviews with subject matter experts, media accounts, and other open sources in order to outline specific conclusions and recommendations while also providing decision-makers with a foundation for related policy on how to approach negotiations with insurgents, both now and in the future

    New tools for studying network industry reforms in developing countries : the telecommunications and electricity regulation database

    Get PDF
    Infrastructure industries-including telecommunications, electricity, water, and gas-underwent massive structural changes in the 1990s. During that decade, hundreds of privatization transactions valued at billions of dollars were completed in these sectors in developing and transition economies. While privatization has received the most attention, reforms also included market liberalization, structural changes like unbundling, and the introduction of new laws and regulations. To date, regulations have received far less attention than their potential economic effects warrant, largely due to lack of data. In order to address this problem, the authors set out to compile a comprehensive and consistent dataset through an extensive survey of telecommunications and electricity regulators in developing countries. The authors describe the surveys and the resulting database. The database of telecommunications regulations includes 178 variables on regulatory governance and content in 45 countries. The database of electricity regulations includes 374 variables in 20 countries.Administrative&Regulatory Law,Environmental Economics&Policies,Public Sector Economics&Finance,Trade Finance and Investment,ICT Policy and Strategies,ICT Policy and Strategies,Administrative&Regulatory Law,Environmental Economics&Policies,Public Sector Economics&Finance,National Governance

    Selection of Preprocessing Methodology for Multivariate Regression of Cellular FTIR and Raman Spectra in Radiobiological Analyses

    Get PDF
    Vibrational spectra of biological species suffer from the influence of many extraneous interfering factors that require removal through preprocessing before analysis. The present study was conducted to optimise the preprocessing methodology and variable subset selection during regression of and confocal Raman microspectroscopy (CRM) and Fourier Transform Infrared microspectroscopy (FTIRM) spectra against ionizing radiation dose. Skin cells were Îł-irradiated in-vitro and their Raman and FTIRM spectra were used to retrospectively predict the radiation dose using linear and nonlinear partial least squares (PLS) regression algorithms in addition to support vector regression (SVR). The optimal preprocessing methodology (which comprised combinations of spectral filtering, baseline subtraction, scaling and normalization options) was selected using a genetic algorithm (GA) with the root mean squared error of prediction (RMSEP) used as the fitness criterion for selection of the preprocessing chromosome (where this was calculated on an independent set of test spectra randomly selected from the dataset on each pass of the algorithm). The results indicated that GA selection of the optimal preprocessing methodology substantially improved the predictive capacity of the regression algorithms over baseline methodologies, although the optimal preprocessing chromosomes were similar for various regression algorithms, suggesting an optimal preprocessing methodology for radiobiological analyses with biospectroscopy. Feature selection of both FTIRM and CRM spectra using genetic algorithms and multivariate regression provided further decreases in RMSEP, but only with non-linear multivariate regression algorithms
    • …
    corecore