1,187 research outputs found
Towards Cost Effective Data Centers
Data Centers are sub organizations within an IT organization and form an integral part of e-enabled services infrastructure. Their effectiveness is essential for effectiveness of overall IT organization leading to efficient and effective delivery of e-services. Data Center organizations aim for Organizational Effectiveness. Many factors and measures can contribute to Organizational Effectiveness of Data Centers. This paper presents some of the findings from a research study on âSelect aspects of Organizational Effectiveness of Data Centersâ. As an outcome of this study, amongst other measures, Total Cost of Ownership (TCO) was derived as a critical measure for effective Data Centers. Lower TCO leads to cost effective Data Centers, leading to overall effectiveness. In this paper, we briefly introduce various measures of Data Centersâ Organizational Effectiveness and present a detailed analysis of Total Cost of Ownership (TCO) as a key measure of Data Centersâ Organizational Effectiveness. We also present various factors contributing to reduced TCO and a comparison between the factors contributing to TCO for Government and Corporate Data Centers
An Assessment of the Performance of Indian State-Owned Enterprises
We examine the determinants of performance of 68 Indian state-owned enterprises in the manufacturing sector for a five-year period: 1987 to 1991. Relative performance is determined using data envelopment analysis, with variations in performance patterns subsequently explained using regression analysis. We note that the performance of firms in the Indian state-owned sector is characterized by both, low performance, as well as significant and systematic variations in the performance parameters. Size is positively associated and age negatively associated with efficiency. Further, economic liberalization and reforms aimed at improving the performance of state-owned firms induces efficiency gains over time. This heterogeneity within the state-owned sector has policy implications, which we discuss. In countries which have privatized large numbers of their state-owned firms, it is often the larger establishments which have been sold to the public. The state-owned firms in the manufacturing sector that can be candidates for privatization are the smaller and older manufacturing firms. These firms may also be easier to dispose of to private investors. This finding reinforces our central thesis that firm-level analysis within the state-owned sector is useful and important for generating pragmatic policy guidelines.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/47575/1/11123_2004_Article_154532.pd
On the Sequencing of Privatization in Transition Economies
This paper presents an empirical criterion for establishing privatization priorities for state owned enterprises. The approach uses firm performance as the basis for deciding the sequence in which firms are privatized. Sequencing is relevant because the order in which a group of state enterprises are taken up for privatization has efficiency implications, and an appropriate sequence based on efficiency considerations can be beneficial. Privatizing inefficient enterprises before efficient ones is a superior sequence as compared to one which reverses this order, and the size of the firms to be privatized is an important contingency. An improvement index is constructed for individual firms, and the index makes possible a comparison of multiple firms, thus, facilitating the construction of a priority schedule. This approach is demonstrated using a sample of Indian service sector firms, and the approach can aid policy-makers in transition economies as they undertake the privatization of state-owned enterprises.
International Coercion, Emulation and Policy Diffusion: Market-Oriented Infrastructure Reforms, 1977-1999
Why do some countries adopt market-oriented reforms such as deregulation, privatization and liberalization of competition in their infrastructure industries while others do not? Why did the pace of adoption accelerate in the 1990s? Building on neo-institutional theory in sociology, we argue that the domestic adoption of market-oriented reforms is strongly influenced by international pressures of coercion and emulation. We find robust support for these arguments with an event-history analysis of the determinants of reform in the telecommunications and electricity sectors of as many as 205 countries and territories between 1977 and 1999. Our results also suggest that the coercive effect of multilateral lending from the IMF, the World Bank or Regional Development Banks is increasing over time, a finding that is consistent with anecdotal evidence that multilateral organizations have broadened the scope of the âconditionalityâ terms specifying market-oriented reforms imposed on borrowing countries. We discuss the possibility that, by pressuring countries into policy reform, cross-national coercion and emulation may not produce ideal outcomes.http://deepblue.lib.umich.edu/bitstream/2027.42/40099/3/wp713.pd
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Activity Overinvestment: The Case of R&D
The literature on corporate diversification has often argued for and established the case that companies often overdiversify in a product market sense â i.e. enter into unrelated product markets where they may not fully cover their cost of capital. Yet, even without engaging in unrelated diversification, managers need to make resource allocation decisions to a variety of activities that a company conducts to consummate its business. In this article we focus on Research and Development (R&D) activity and we discuss the effects that the uncertainty, boundary ambiguity, feedback latency, R&D lumpiness and legitimacy that characterize technological contexts can have in making overinvestment in R&D likely. Specifically, in this article we a) draw attention to the construct of activity overinvestment, and specifically R&D overinvestment, b) use the received literature to argue that there exists a prima facie case for examining this construct and its antecedents in order to evaluate the extent and implications of R&D overinvestment, and c) make the more general case that the resource allocation literature needs to study the issue of activity overinvestment systematically
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Redirecting research efforts on the diversification-performance linkage: The search for synergy
We review the literature on the diversification-performance (D-P) relationship to a) propose that the time is ripe for a renewed attack on understanding the relationship between diversification and firm performance, and b) outline a new approach to attacking the question. Our paper makes four main contributions. First, through a review of the literature we establish the inherent complexities in the D-P relationship and the methodological challenges confronted by the literature in reaching its current conclusion of a non-linear relationship between diversification and performance. Second, we argue that to better guide managers the literature needs to develop along a complementary path â whereas past research has often focused on answering the big question of does diversification affect firm performance, this second path would focus more on identifying the precise micro-mechanisms through which diversification adds or subtracts value. Third, we outline a new approach to the investigation of this topic, based on (a) identifying the precise underlying mechanisms through which diversification affects performance; (b) identifying performance outcomes that are âproximateâ to the mechanism that the researcher is studying, and (c) identifying an appropriate research design that can enable a causal claim. Finally, we outline a set of directions for future research
Energy dependence of Ď meson production at forward rapidity in pp collisions at the LHC
The production of mesons has been studied in pp collisions at LHC energies with the ALICE detector via the dimuon decay channel in the rapidity region . Measurements of the differential cross section are presented as a function of the transverse momentum () at the center-of-mass energies , 8 and 13 TeV and compared with the ALICE results at midrapidity. The differential cross sections at and 13 TeV are also studied in several rapidity intervals as a function of , and as a function of rapidity in three intervals. A hardening of the -differential cross section with the collision energy is observed, while, for a given energy, spectra soften with increasing rapidity and, conversely, rapidity distributions get slightly narrower at increasing . The new results, complementing the published measurements at and 7 TeV, allow one to establish the energy dependence of meson production and to compare the measured cross sections with phenomenological models. None of the considered models manages to describe the evolution of the cross section with and rapidity at all the energies.publishedVersio
f0(980) production in inelastic pp collisions at s = 5.02 TeV
The measurement of the production of f0(980) in inelastic pp collisions at sqrt(s) = 5.02 TeV is presented. This is the first reported measurement of inclusive f0(980) yield at LHC energies. The production is measured at midrapidity, |y| pi+pi- hadronic decay channel using the ALICE detector. The pT-differential yields are compared to those of pions, protons and Ď mesons as well as to predictions from the HERWIG 7.2 QCD-inspired Monte Carlo event generator and calculations from a coalescence model that uses the AMPT model as an input. The ratio of the pT-integrated yield of f0(980) relative to pions is compared to measurements in e+e- and pp collisions at lower energies and predictions from statistical hadronisation models and HERWIG 7.2. A mild collision energy dependence of the f0(980) to pion production is observed in pp collisions from SPS to LHC energies. All considered models underpredict the pT-integrated 2f0(980)/(pi+ + pi-) ratio. The prediction from the canonical statistical hadronisation model assuming a zero total strangeness content of f0(980) is consistent with the data within 1.9Ď and is the closest to the data. The results provide an essential reference for future measurements of the particle yield and nuclear modification in pâPb and PbâPb collisions, which have been proposed to be instrumental to probe the elusive nature and quark composition of the f0(980) scalar meson
Neutral to charged kaon yield fluctuations in Pb â Pb collisions at sNN=2.76 TeV
We present the first measurement of event-by-event fluctuations in the kaon sector in Pb â Pb collisions
at âsNN = 2.76 TeV with the ALICE detector at the LHC. The robust fluctuation correlator νdyn is used
to evaluate the magnitude of fluctuations of the relative yields of neutral and charged kaons, as well as
the relative yields of charged kaons, as a function of collision centrality and selected kinematic ranges.
While the correlator νdyn[K+, Kâ ] exhibits a scaling approximately in inverse proportion of the charged
particle multiplicity, νdyn[K0
S , KÂą ] features a significant deviation from such scaling. Within uncertainties,
the value of νdyn[K0S , K¹ ] is independent of the selected transverse momentum interval, while it exhibits
a pseudorapidity dependence. The results are compared with HIJING, AMPT and EPOSâLHC predictions,
and are further discussed in the context of the possible production of disoriented chiral condensates in
central Pb â Pb collisions
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