Within the capitalist system, of course - that's how it works. The capitalist fights to increase the working day (either in time- or piece-wages) while workers

Within the capitalist system, of course - that's how it works. The capitalist fights to increase the working day (either in time- or piece-wages) while workers fight to decrease the working day. It's an endless tug of war between capital and labour. Ultimately, though, I don't think it solves much. The whole logical system and ideological analysis goes beyond simple adjustments to various quantities.