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- 저자 : Taussig, D (검색결과 2 건)
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Out of the Gray: The Impact of Provincial Institutions on Business Formalization in Vietnam
Edmund Malesky,Markus Taussig 동아시아연구원 2009 Journal of East Asian Studies Vol.9 No.2
Scholars have long argued that institutional context significantly influences business strategy and economic performance. Research on the relationship between institutions and business strategy, however, has overwhelmingly focused on the decisions of larger, established corporations, mostly neglecting the strategic thinking of smaller, more entrepreneurial ventures. This article seeks to correct this bias by focusing the analysis directly on the critical decision of small-scale entrepreneurs to move from the informal and largely unregulated sector into operation as formal companies. Using a unique dataset and ranking of provincial governance institutions from Vietnam, the authors show that improvements in institutions make firms more likely to choose the formal sector from the start and, for those who do not, to spend less time in the informal sector. The study also finds that property rights have a more salient impact on formalization than other types of institutions.
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King, J D,Strait, E J,Boivin, R L,Taussig, D,Watkins, M G,Hanson, J M,Logan, N C,Paz-Soldan, C,Pace, D C,Shiraki, D,Lanctot, M J,La Haye, R J,Lao, L L,Battaglia, D J,Sontag, A C,Haskey, S R,Bak, J G American Institute of Physics 2014 Review of scientific instruments Vol.85 No.8
<P>The DIII-D tokamak magnetic diagnostic system [E. J. Strait, Rev. Sci. Instrum. 77, 023502 (2006)] has been upgraded to significantly expand the measurement of the plasma response to intrinsic and applied non-axisymmetric '3D' fields. The placement and design of 101 additional sensors allow resolution of toroidal mode numbers 1 n 3, and poloidal wavelengths smaller than MARS-F, IPEC, and VMEC magnetohydrodynamic model predictions. Small 3D perturbations, relative to the equilibrium field (10(-5) < δB/B0 < 10(-4)), require sub-millimeter fabrication and installation tolerances. This high precision is achieved using electrical discharge machined components, and alignment techniques employing rotary laser levels and a coordinate measurement machine. A 16-bit data acquisition system is used in conjunction with analog signal-processing to recover non-axisymmetric perturbations. Co-located radial and poloidal field measurements allow up to 14.2 cm spatial resolution of poloidal structures (plasma poloidal circumference is ~500 cm). The function of the new system is verified by comparing the rotating tearing mode structure, measured by 14 BP fluctuation sensors, with that measured by the upgraded B(R) saddle loop sensors after the mode locks to the vessel wall. The result is a nearly identical 2/1 helical eigenstructure in both cases.</P>
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