Table 1.

List of variables and their description.

Name	Label	Description
Dependent variables
W_Citation	Number of citations per year	Number of citations per year counting from 1 year after publication.
CBin	CBin = 1, 0 otherwise	Binary rendition of W_Citation such that zero values are zero coded and values greater than zero are coded as 1.
CGzero	Citations	Exact values of citations
CGtzero	W_Citation>0	Exact values of W_Citation greater than 1.
Independent variables
Collaboration on publications
Authors	Author counts of publication	Number of authors on paper
Instit	Institutional affiliation count of authors of publication
Country	Country counts of authors	Number of country designation of all others
Scope of publication within economics
JEL	Number of three-digit Journal of Economic Literature classification of paper	Number of three-digit Journal of Economic Literature classification of publication.
Content (Dimension of efficiency)
	SFA = 1 and 0 otherwise	Publication employed stochastic frontier analysis or Data envelopment analysis.
Accessibility of publications
AllVersion	Total number of versions of paper available online as stated by Google Scholar.	Total number of versions of paper available online as stated by Google Scholar.
FT_2	FT_2 = 1, and 0 otherwise	Open access paper with full-text of publication freely available on Google Scholar
RG	RG = 1, and 0 otherwise	Publication available on ResearchGate platform
ADE	ADE = 1, and 0 otherwise	Publication available on Academia.edu platform
Quality of publications
IF	IF = 1, and 0 otherwise	Publication in a journal with Thomson Reuter's impact factor
WOS	WOS = 1, and 0 otherwise	Publication in a journal indexed in web of science
Scopus	Scopus = 1, and 0 otherwise	Publication in a journal indexed in Scopus
Prefixes
ihs	Inverse hyperbolic sine	Inverse hyperbolic sine transformation
ln	Natural logarithm	Natural logarithm transformation