Helmedag (2012) derives effects on employment caused by changes in (a) uncompensated wage hours, (b) output, (c) productivity, and (d) a combination of the latter two. His results are derived from a linear two-sector model. His closure of the model is based on the determination of the profit...

Reich (2013) recapitulates my model (Helmedag 2012a) incorrectly. Above all, he mixes up exogenous with endogenous variables. Moreover, Reich's interpretation of the system's dynamics is on the one hand formally insufficient; on the other hand, matters are presented in a more complicated way...

This paper aims to show that the Sraffian supermultiplier model provides an alternative closure for the heterodox analysis of economic growth. The new closure follows from the assumption of the existence of autonomous non-capacity-creating expenditures, which implies that the ratio of the...