1. A national average hourly wage is the quotient of total labor income divided by a number of hours worked for remuneration.150
The variation of the divisor – the number of hours worked – has a much greater effect on the variation of the dividend – the total income from labor – than on the variation of the quotient – the average hourly wage. This is why the most important determinants of average wages, country by country, are the same as.
2. Savings placements in enterprise financing and public investment fuel the growth of the average wage in the country where these investments are made.
However, this is because the productivity of the national stock of investments increases thanks to the implementation of techniques that improve quality/cost ratios, including in the area of public services. Moreover, any way of producing anything is, in the end, a positive or negative contribution to the evolution of the real average wage, the one measured in purchasing power.