Results 241 to 250 of about 61,964 (279)
Advancements in Plant-Derived sRNAs Therapeutics: Classification, Delivery Strategies, and Therapeutic Applications. [PDF]
Int J Mol SciRao Q, Hua H, Zhao J.
europepmc +1 more source
Is The Sign of The Nonlinear Coefficient d22 Reversed in PPLN?
Advanced Solid-State Photonics, 2006 We have verified experimentally that the d22=dYYY nonlinear coefficient of LiNbO3 changes its sign as a result of periodic poling along the Z direction. This reversal enables the realization of all-optical polarization rotation in PPLN.
Ayelet Ganany +2 more
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Do Tax Incentives Increase Firm Innovation? An RD Design for R&D, Patents, and Spillovers
American Economic Journal: Economic Policy, 2023We present causal evidence of R&D tax incentives’ positive impacts on a firm’s own innovation and that of its technological neighbors. Exploiting a change in size-based eligibility thresholds for R&D tax relief, we implement a Regression Discontinuity ...
Antoine Dechezleprêtre +4 more
semanticscholar +1 more source
American Economic Journal: Macroeconomics
We construct nationally representative firm-level longitudinal data for European countries using financial statements from the Orbis database. We validate our data by comparing its coverage and firm size distribution to official statistics.
Ṣebnem Kalemli-Özcan +4 more
semanticscholar +1 more source
We construct nationally representative firm-level longitudinal data for European countries using financial statements from the Orbis database. We validate our data by comparing its coverage and firm size distribution to official statistics.
Ṣebnem Kalemli-Özcan +4 more
semanticscholar +1 more source
Regulating Conglomerates: Evidence from an Energy Conservation Program in China
The American Economic ReviewWe study a prominent energy regulation affecting large Chinese manufacturers that are part of broader conglomerates. Using detailed firm-level data and difference-in-differences research designs, we show that regulated firms cut output and shifted some ...
Qiaoyi Chen +4 more
semanticscholar +1 more source
The American Economic Review
Using Canadian administrative data, this paper presents evidence of revenue and productivity spillovers across firms at fine spatial scales. Accounting for the endogenous sorting of firms across space, we estimate an average elasticity of firm revenue ...
Nathaniel Baum-Snow +2 more
semanticscholar +1 more source
Using Canadian administrative data, this paper presents evidence of revenue and productivity spillovers across firms at fine spatial scales. Accounting for the endogenous sorting of firms across space, we estimate an average elasticity of firm revenue ...
Nathaniel Baum-Snow +2 more
semanticscholar +1 more source
Monitoring in Small Firms: Experimental Evidence from Kenyan Public Transit
The American Economic ReviewSmall firms struggle to grow beyond a few employees. We introduce monitoring devices into commuter minibuses in Kenya and randomize which minibus owners have access to the data using a novel mobile app.
Erin M. Kelley +2 more
semanticscholar +1 more source