of labor stimulation. Initially, it was committed to the validity within Marxism, of accounting autonomy, self-financing and the system of material incentives. A staunch critic of this trend was Ernesto Guevara, who strongly discouraged the use of methods that he considered inherited from the past. Instead, Guevara promoted moral encouragement, the mere satisfaction of duty fulfilled before the construction of Socialism. The ethical value of the stimulus was circumscribed in the rigorous and trench atmosphere, which called for exemplary production, for the sake of "decisive effort".  

After the failure of the Ten Million Zafra, however, the Soviet system was adopted, which already used binding calculations between workers' remuneration and the quantity and quality of their work . First it was the delivery of Soviet-made household appliances (TVs, fans, irons), then Chinese (like bicycles in the 1990s). From the trade with the ALBA governments and, above all, from the export of medical, technical and sports services, the labor stimulus consisted of a percent of what the workplace earned in foreign currency. These incentives were not granted to all positions, but depended on the capacities of each ministry. In this way, they had more presence in those self-funded centers that generated profits (from the production or export of products and services), as well as in "strategic" centers linked to the upper echelons of the Communist Party of Cuba and the Government.  

In recent years, however, we have seen the gradual disappearance of material products, for others of food, consisting of chicken boxes, sausages, eggs or cooking oil, among other basic consumer products. Food is nowadays the most common stimuli to reward the work of the state worker, especially among medical, technical, sports personnel, etc. For example, Cuban athletes who received decorations at the Pan American qualifying event, held in Guadalajara, Mexico in 2021, were received in Cuba by representatives of the local government, with food combos that included cakes, cooking oil, sausages and vegetables.  .

If the stimuli are actions to promote the potential of the individual, food deliveries in Cuba have been the slow transition towards the impoverishment of this social mechanism, to the point of being almost a government survival device. The food has happened like this, to try to fit a salary system that does not fulfill the role that it responds to; Due to the real value of its content, it would be, perhaps, closer to the conception of the Guevarian moral stimulus. So, if the stimuli are intended to raise the worker's self-esteem, it is unfortunate that basic consumer products are proposed as such, and are even desired by their recipients.  

At a time of chronic shortages, the partial state delivery of food also creates an important social differentiation for citizens who are prevented from this access. The government is aware of the existing food insecurity, and part of this to control and condition militancy in key sectors "stimulating" with products that should be common, daily to all its citizens.