Let me tell you what some other people say, though: 1  The EWGâs Skin Deep Database lists it as a 5-6 (or moderate hazard), but trying to find the studies they used for their rating proved difficult, and the ones I did find were the nebulous âborax or boric acidâ test studies.
1 This is so because, my nominal wages have increased by 10% while the average price level (CPI) has increased by only 5%. 2  Thus today (in 2010) with my higher nominal wage ($1100.00) I can buy more than I could buy last year.
Generally, you need the same rate of increase or decrease in your salary as the inflation rate. If you make 10,000 and inflation is up by 10% you need to make 10% more so your purchasing power remains on par.