The overlapping wage or salary overlap: is a flattening of the salary pyramid within companies. Salary increments awarded to personnel within the collective agreement often produces a reduction of the wage scale. In the most often happens between employees who are unionized and those that do not. It is a trend which concerns the majority of entrepreneurs.Despite the fact that this shrinking of the wage gap many times can be taken as a cost reduction of direct and indirect labor or as an improvement on the marginal productivity of the workforce, the truth is that it is very damaging for the company for various reasons such as the distortion of the employees hierarchya lower offer and discontent of workmanship qualified for monetary issues hindering the management of human resources.Many entrepreneurs try to resolve these problems through bonuses, tickets, baskets, holiday, reductions in hours, holiday bonuses, until you can return to the normality of the salary pyramid.