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Tax Incidence for Menthol Cigarettes by Race: Evidence from Nielsen Homescan Data
In: JHLTHEC-D-23-00030
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Early Adopters of New Supermarket Products
In: Bureau of Labor Statistics Working Paper 501 (2018)
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Working paper
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Working paper
Do vertically and horizontally integrated firms survive longer? The case of cable networks in Korea
In: Information economics and policy, Band 39, S. 84-93
ISSN: 0167-6245
What Forms and Reforms Banking Regulations? A Cross-National Study
In: Emerging markets, finance and trade: EMFT, Band 50, Heft 6, S. 72-89
ISSN: 1558-0938
Synthesis of chemically bound conjugated polymer on TiO2 for a visible-light-driven photocatalyst: Changeable surface wettability
In: Materials and design, Band 203, S. 109630
ISSN: 1873-4197
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Search for Alternatives and Collaboration with Incumbents: Two‐Sided Sourcing Behavior in Business Markets*
In: Decision sciences, Band 39, Heft 1, S. 85-114
ISSN: 1540-5915
ABSTRACTSourcing strategies in business markets have been considered separately and the practice of two‐sided sourcing behavior—engaging in search for alternative suppliers and collaboration with an incumbent supplier—has not been examined. To fill that gap, we first identify boundary conditions under which the poor performance of an incumbent supplier intensifies an original equipment manufacturer's (OEM) search and collaboration. Then, we examine how an OEM's two‐sided sourcing behavior influences one of the critical elements of sourcing performance: the responsiveness of the incumbent supplier. Our proposed hypotheses were tested with data from a national survey of 539 OEM purchasing managers in the Japanese electronics industry. The analysis results indicate three main findings. First, two environmental conditions—pace of technological change and volume uncertainty—have contrasting influences on the link between incumbent supplier performance and an OEM's search and collaboration. While uncertainty from the upstream channel (pace of technological change) enhances an OEM's search and collaboration, uncertainty from the downstream channel (volume uncertainty) lowers an OEM's search and collaboration. Second, an OEM's dependence on its incumbent supplier has differential effects: an OEM reduces search as its dependence on incumbent supplier increases, while it enhances collaboration as its dependence on incumbent supplier increases. Third, while search alone has a negative effect on responsiveness of an incumbent supplier, engaging in two‐sided sourcing behavior (i.e., combining search with collaboration) has a positive effect on responsiveness of the incumbent supplier.
Search for a W' boson decaying to a vector-like quark and a top or bottom quark in the all-jets final state at $\sqrt{s}$ = 13 TeV
A search is presented for a heavy W' boson resonance decaying to a B or T vector-like quark and a t or a b quark, respectively. The analysis is performed using proton-proton collisions collected with the CMS detector at the LHC. The data correspond to an integrated luminosity of 138 fb$^{-1}$ at a center-of-mass energy of 13 TeV. Both decay channels result in a signature with a t quark, a Higgs or Z boson, and a b quark, each produced with a significant Lorentz boost. The all-hadronic decays of the Higgs or Z boson and of the t quark are selected using jet substructure techniques to reduce standard model backgrounds, resulting in a distinct three-jet W' boson decay signature. No significant deviation in data with respect to the standard model background prediction is observed. Upper limits are set at 95% confidence level on the product of the W' boson cross section and the final state branching fraction. A W' boson with a mass below 3.1 TeV is excluded, given the benchmark model assumption of democratic branching fractions. In addition, limits are set based on generalizations of these assumptions. These are the most sensitive limits to date for this final state.
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