Thanks!  I can read French slowly, and I've read some of Aujac and  
Perroux's work. 
 
I got interested in these people through reading Celso Furtado (a  
student of Perroux and Bye') and Juan Noyola, a Mexican economist and  
CEPAL colleague of Furtado, who cites Perroux and Aujac.  I have written  
a little about Noyola, and argued that the critique of orthodox monetary  
theory that Furtado and Noyola made in the 1950s is quite distinct from  
what has been described retrospectively as "Latin American  
structuralism."  They had a much more institutionalist and politicized  
notion of what is going on in the financial system, and I think their  
refusal to exogenize policy and government can be traced to the French  
thinkers.  
 
Samir Amin, who studied in France in the 1950s, also cites Aujac, Bye',  
and Perroux.  But I have not run across them in English-language surveys  
of heterodox economics.  So I'm hoping there is some secondary  
literature about them -- work that might situate them, give them a  
scholarly ancestry, explore their influence.  I'd also like to learn  
more about the broader landscape of French economics during the first  
half of the 20th century and its relations to developments in other  
disciplines. 
 
Best, Colin