The Penn World Table provides purchasing power parity and
national income accounts converted to international prices for
168 countries for some or all of the years 1950-2000.

The Penn World Table provides purchasing power parity and
national income accounts converted to international prices for
189 countries for some or all of the years 1950-2007.

The Penn World Table provides purchasing power parity and
national income accounts converted to international prices for
189 countries for some or all of the years 1950-2009.

c(person(given = "Achim", family = "Zeileis", role =
c("aut", "cre"), email = "Achim.Zeileis@R-project.org"),
person(given = "Guan", family = "Yang", role = "aut"))
Achim Zeileis [aut, cre], Guan Yang [aut]

The Penn World Table provides purchasing power parity and
national income accounts converted to international prices for
189 countries for some or all of the years 1950-2010.

Penn World Table (Versions 5.6, 6.x, 7.x)
c(person(given = "Achim", family = "Zeileis", role = c("aut", "cre"), email = "Achim.Zeileis@R-project.org"),
person(given = "Guan", family = "Yang", role = "aut"))
Achim Zeileis [aut, cre],
Guan Yang [aut]

The Penn World Table 10.x (<http://www.ggdc.net/pwt/>) provides information
on relative levels of income, output, input, and productivity
for 183 countries between 1950 and 2019.

The Penn World Table 8.0 provides information on relative levels of
income, output, inputs, and productivity for 167 countries
between 1950 and 2011.

The Penn World Table 8.x provides information on relative levels of
income, output, inputs, and productivity for 167 countries
between 1950 and 2011.

The Penn World Table 9.x provides information on relative levels of
income, output, inputs, and productivity for 182 countries
between 1950 and 2014.

The Penn World Table 9.x (<http://www.ggdc.net/pwt/>) provides information
on relative levels of income, output, inputs, and productivity
for 182 countries between 1950 and 2017.

Francisco J. Viciana, Carlos J. Gil Bellosta, Oscar Perpiñán
Lamigueiro, Vicente David Canto Casasola, Jorge Iván Vélez.
c(person("Francisco J.", "Viciana", email=
"franciscoj.viciana@juntadeandalucia.es", role='aut'),
person("Carlos J.", "Gil Bellosta",
email="cgb@datanalytics.com", role='aut'), person("Oscar",
"Perpiñán Lamigueiro", email="oscar.perpinan@upm.es",
role=c('cre', 'aut')), person("Vicente David", "Canto
Casasola", email= "vicented.canto.sspa@juntadeandalucia.es",
role='aut'), person("Jorge Iván", "Vélez",
email="jorgeivanvelez@gmail.com", role='aut') )
The pxR package provides a set of functions for reading
and writing PC-Axis files, used by different statistical
organizations around the globe for data disemination.