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Prices go up and salary doesn't: where goes delta?
I expected a word or two on the price elasticity of demand here :) Andrey, Your question needs slight revision in its current form. Rising prices actually do not mean increased profitability for a company. The quantity they sell also pays a huge part and actually is correlated to the price at which they sell the goods (and other factors such as the price at which their competitor sells the goods etc., but we will ignore it for simplicity).  The net profit of sales for any firm is equal to  (Qty x Sale Price) - COGS - SG&A - taxes - other expenses where, COGS means cost of goods sold SG&A means sales, general and admin costs (e.g., cleaning the inventory storage area daily so that the goods stay fresh etc.) other expenses include any miscellaneous other costs that the firm incurs to make the sale. Now, if everything in that equation remains same (COGS, SG&A, taxes, and other expenditures), rising prices will only translate into a higher profit if the quantity does not fall by the same margin. Prices may also rise simply as a response to risking COGS, SG&A or other expenditures --the latter may be observed in inflationary environments. In such a case, the supplying firm can end up losing its profit margin if the quantity falls by more than the price rise.