READ ME File For “Datasets for Six Empirical Essays on Firm Performance and Internationalization (Foreign Direct Investment and Trade)” Dataset DOI: https://doi.org/10.5258/SOTON/D1886 ReadMe Author: Xiao Long Chen, University of Southampton These datasets supports the thesis entitled “Six Empirical Essays on Firm Performance and Internationalization (Foreign Direct Investment and Trade)”. SUMMARY OF DATA FILES These datasets includes the data for each of the six main chapters of the Ph.D. thesis entitled “Six Empirical Essays on Firm Performance and Internationalization (Foreign Direct Investment and Trade)”. The data are saved in six separate Excel files and publicly available. Moreover, the detailed descriptions, measurement and processing and where to use of variables are displayed in the sheet "Data Descriptions" in each Excel file shown as follows: 1. Filename: Data for Chapter 2.xlsx Short description: The data supports Chapter 2 of Ph.D. thesis entitled "The Effect of Country Components on Firm’s Internationalization-Performance Relationship: A Comparative Meta-Analysis" Date of data collection: 1969-2017 2. Filename: Data for Chapter 3.xlsx Short description: The data supports Chapter 3 of Ph.D. thesis entitled "The study of Chinese firms’ export behaviors: A perspective of productivity cut-off" Date of data collection: 2005-2007 3. Filename: Data for Chapter 4.xlsx Short description: The data supports Chapter 4 of Ph.D. thesis entitled "The Congestion Effect of Foreign Direct Investment's Agglomeration on Firm Productivity in China: A Spatial Analysis" Date of data collection: 2010-2013 4. Filename: Data for Chapter 5.xlsx Short description: The data supports Chapter 5 of Ph.D. thesis entitled "The Dynamic Effect of Foreign Direct Investment on Export: The Evidence from China" Date of data collection: 2007-2017 5. Filename: Data for Chapter 6.xlsx Short description: The data supports Chapter 6 of Ph.D. thesis entitled "Financial Constraints in R&D Investment, Uncertainty and Productivity: The Evidence from British Manufacturing Firms " Date of data collection: 2009-2018 6. Filename: Data for Chapter 7.xlsx Short description: The data supports Chapter 7 of Ph.D. thesis entitled " Investigating the efficiency of British listed manufacturing firms: what is a matter in the ‘black box’ ? " Date of data collection: 2006-2018 Geographic location of data collection: University of Southampton, Southampton, UK. Related project: Southampton Business School, University of Southampton (2016-2021) Licence: CC BY The date of data file establishment: June, 2021