Economic Role, Property Rights, Labour Skills and Technology in the Portuguese Wine Co-operatives
  	  João Rebelo,
  	  José Vaz Caldas,
  	  Manuel Teixeira
	Annals of Public and Cooperative Economics, 
vol. 73, 2002, p. 111-133.
Returns to Education during the Reform of State-Owned Enterprises  in Hunan, People's Republic of China
  	  Xiaoyu Huang,
  	  José Vaz Caldas,
  	  João Rebelo
	Labour, 
vol. 16, 2002, p. 513-535.