price that varies from $3.00 to $3.80 per kg.29 By contrast, cultivated ligno-cellulosic ï¬bers usually have costs that are about one order of magnitude lower. For example, in Brazil, the export FOB price of piassava ï¬bers is $0.37, curaua ï¬ber, $0.44, and sponge-gourd, $0.60 per kg. 7 It is also worth mentioning that
Factors Which increase Bargaining power for workers. 1  Unique skills and qualifications. 2  A worker with more unique skills will have a greater impact on wage determination. 3  A professional footballer can command a high wage because his ability can make a huge difference to the earning power of the club.
In antagonistic class societies the results of an increase in the productivity of labor are appropriated by the ruling classes for their personal enrichment. Nevertheless, as Marx wrote, the essence of the law of increased productivity of labor is that the maximum output is produced by minimum labor.