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Mining Chinese Historical Sources At Scale : A Machine Learning-Approach to Qing State Capacity

Keller, Wolfgang; Shiue, Carol H.; Yan, Sen - National Bureau of Economic Research - 2024

Primary historical sources are often by-passed for secondary sources due to high human costs of accessing and extracting primary information-especially in lower-resource settings. We propose a supervised machine-learning approach to the natural language processing of Chinese historical data. An...

Persistent link: https://www.econbiz.de/10015072923

All Clear for Takeoff : Evidence from Airports on the Effects of Infrastructure Privatization

Howell, Sabrina T.; Jang, Yeejin; Kim, Hyeik; Weisbach, … - National Bureau of Economic Research - 2022

airport performance along a rich array of dimensions such as passengers per flight, total passengers, number of routes, number … rather than operational changes. Overall, we find little evidence that privatization alone increases airport performance …. These effects are largest when there is a competing airport nearby. Finally, we show that outright ownership rather than …

Persistent link: https://www.econbiz.de/10013435106

New Area- and Population-based Geographic Crosswalks for U.S. Counties and Congressional Districts, 1790–2020

Ferrara, Andreas; Testa, Patrick A.; Zhou, Liyang - National Bureau of Economic Research - 2024

In applied historical research, geographic units often differ in level of aggregation across datasets. One solution is to use crosswalks that associate factors located within one geographic unit to another, based on their relative areas. We develop an alternative approach based on relative...

Persistent link: https://www.econbiz.de/10014512060

Production, Trade, and Cross-Border Data Flows

Chang, Qing; Cong, Lin William; Liyong, Wang; Zhang, … - National Bureau of Economic Research - 2023

We build a two-country general equilibrium model to analyze the effects of cross-border data flows and pre-existing development gaps in data economies on each country's production and international trade. Raw data as byproducts of consumption can be transformed into various types of working data...

Persistent link: https://www.econbiz.de/10014322803

Principal Component Analysis for Nonstationary Series

Hamilton, James D.; Xi, Jin - National Bureau of Economic Research - 2024

This paper develops a procedure for uncovering the common cyclical factors that drive a mix of stationary and nonstationary variables. The method does not require knowing which variables are nonstationary or the nature of the nonstationarity. An application to the FRED-MD macroeconomic dataset...

Persistent link: https://www.econbiz.de/10014468268

Consumer Credit Reporting Data

Gibbs, Christa; Guttman-Kenney, Benedict; Lee, Donghoon; … - National Bureau of Economic Research - 2024

Since the 2000s, economists across fields have increasingly used consumer credit reporting data for research. We introduce readers to the economics of and the institutional details of these data. Using examples from the literature, we provide practical guidance on how to use these data to...

Persistent link: https://www.econbiz.de/10015056115

Who Benefits From The Export-Import Bank Aid?

Benmelech, Efraim; Monteiro, Joao - National Bureau of Economic Research - 2023

We study the effectiveness of government aid to exporters by exploring an exogenous shock that affected the ability of the Export-Import Bank of the United States (EXIM) to provide aid to U.S. exporters through loan guarantees to importers. We focus on Boeing, the largest individual recipient of...

Persistent link: https://www.econbiz.de/10014337795

Impact of pandemic control over airport economics: Reconciling public health with airport business through a streamlined approach in pandemic control

Chung, Lap Hang - In: Journal of Air Transport Management 44-45 (2015), pp. 42-53

public health authorities and airport authorities result in compromising measures for both parties. Broadly similar … efficient airport pandemic control plans cause less severe economic impact on airports during pandemic and recommends a … streamlined approach that improves overall effect of pandemic control while minimising economic impacts to airport businesses. …

Persistent link: https://www.econbiz.de/10011264092

Development of level of service standards for airport facilities: Application to São Paulo International Airport

Correia, Anderson R.; Wirasinghe, S.C. - In: Journal of Air Transport Management 13 (2007) 2, pp. 97-103

A methodology for developing level of service (LOS) standards at airport passenger terminals based on user perceptions … on airport surveys. The check-in counter component is evaluated considering factors that have a bearing on the user … survey conducted at São Paulo/Guarulhos International Airport, Brazil. The results indicate that we can derive quantitative …

Persistent link: https://www.econbiz.de/10010836989

Analysis of shopping preference and satisfaction with airport retailing products

Perng, Shiaw-Wuu; Chow, Chia-Chuan; Liao, Wu-Cheng - In: Journal of Air Transport Management 16 (2010) 5, pp. 279-283

This paper studies passengers' responses to retail products at Taiwan Taoyuan International Airport. Incorporating the …

Persistent link: https://www.econbiz.de/10010755174