Materials costs force GM to raise prices Yet another example of a non-lean mindset company thinking they are entitled to price increases because costs went up. General Motors Corp. has raised prices an average of 0.5 percent on about one-third of its models because of rising raw materials costs, a company official said Wednesday. The increases were effective Monday and are driven largely by steel prices, which have gone up globally by 13 percent since … Continue reading GM Thinks Its Entitled to Price Increases – WRONG