Several trends cause inflation. They include the slowly decreasing availability of energy and materials, and more credit and faster circulation of money (through bank computers) meaning, in effect, more money (per product).
But inflation also results from the increasing number of drones, the unnecessary, or even harmful occupations. At the top of this list I put some of the more lucrative professions, advertising and sales people, market researchers, bankers, lawyers and their genre, the backbone of the Capitalist system. These don't add to the general standard of living, but only decide which corporations get what share of the pie. By getting paid (more money in circulation) without producing a product or service useful to the greater community, they increase the cost of existing products and services.
Inflation forces us to keep fighting for higher income in an effort to get a fair share of the country's wealth. This leads to labor disputes, which in turn lead to higher production costs, partly due to the disruption of production. Those on "fixed" incomes have it extra tough.
Inflation, an unstable economy, fluctuations in the relative price of commodities and general complexity of the economy all mean more need for people to control the economy, and take their self-assigned share. (I've never quite understood "profit". How's it different than the salary the corporation pays the Capitalist? The problem is that he thinks he should have the right to decide his own salary as well as the worker's.)