Emir Malikov, Shunan Zhao, and S. Kumbhakar, "Estimation of Firm-Level 
Productivity in the Presence of Exports: Evidence from China's 
Manufacturing", Journal of Applied Econometrics, Vol. 35, No. 4, 2020, 
pp. 457-480.

Data used in this paper are included in the zip file "mzk-files.zip".
The data are an unbalanced panel and stored by industries including 28
csv files. Putting all files together, the zip file size is 41,655KB.

The numbers of observations for each industry are listed below:

SIC	13	14	15	16	17	18	19	20	21
Obs.	56,558	23,494	16,343	1,169	83,572	46,380	22,083	17,523	10,520

22	23	24	25	26	27	28	29	30	31
30,925	21,229	12,550	6,610	74,378	21,611	5,285	11,666	45,242	86,963

32	33	34	35	36	37	39	40	41
22,005	17,454	53,481	73,090	40,523	44,452	58,687	30,612	13,533	

Definition of variables:
Firm: Firm ID
Year: Year
Ind: Industry
y: log deflated gross industrial output 
k: log deflated net fixed assets
k1: 1-period lag of k
l: log deflated total wage bill plus benefits
l1: 1-period lag of l
m: log deflated total intermediate inputs, including raw materials and
   other production-related inputs
m1: 1-period lag of m
X: share of export in output
X1: 1-period lag of X

Sources of Data:

The production variables are taken from Chinese Industrial Enterprises
Database survey, and the price indices are obtained from the NBS, the
World Bank, and the China Statistical Yearbooks. 

Shunan Zhao
Department of Economics
Oakland University
275 Varner Dr
Rochester, MI, 48309
USA

shunanzhao [AT] oakland.edu