scientific article published in May 1992

peer reviewed, open access article published in Economía

peer reviewed, open access article published in Economía

scientific article published in January 1999

scientific article published in 2000

scientific article published in March 1998

scholarly article published April 1987

scientific article published in December 1990

scientific article published in August 1989

scientific article published in May 1991

scientific article published in October 1991

scientific article published in March 1991

scientific article published in April 1989

scientific article published in October 1995

scientific article published in July 1989

scientific article published in October 1995

scientific article published in September 1991

scientific article published in December 1996

scientific article published in October 1994

scientific article published in November 1998

scientific article published in October 1990

scientific article published in September 1992

scientific article published in August 1988

scientific article published in October 1994

book by Paul Krugman

scientific article published in May 2001

scientific article published in December 1998

scientific article published in December 1998