1 Comment on Sinha and Perri: Hamlet without the Prince - Sraffa (and Marx) without Competition Andrea Salanti University of Bergamo The two essays by Stefano Perri and Ajit Sinha that the editor of the present volume kindly requested me to comment upon surely deal with quite different issues. Yet they share at least two common features that deserve mention from the outset, if only because they may offer a justification for such an editorial arrangement. The first is easily detectable even on the surface, being given by their extensive use of the ‘auxiliary construction’ of the Standard commodity (and the related notion of Standard system) as developed in Production of Commodities by Means of Commodities (PCMC). The second is perhaps less immediately obvious, but nonetheless characterizes their analyses as well, and in my opinion – as I will try to show in what follows – is in need of further reflection. I am referring to the disregard, which in one case becomes an open refusal, of the usual justification of a uniform rate of profit through the entire system as a consequence of some kind of competitive mechanism among capitalists. And a third common element can be detected as well. Both papers deal with questions that have been investigated for decades, together with a number of others more