I am helping a friend make a move from New York to Texas with financial advice and a small loan. Talking about budgeting got me to go look at the longest term spending data I have electronically. This is in Pounds Sterling and I can't be bothered to convert to dollars because I would have to research exchange rates from the 1980s. It goes back to September 1988. I probably could extend it further from handwritten records. But, anyway, this is what I have readily to hand:
It's also not inflation adjusted (see below). Apart from the upward trend, it is noticeable how much more volatile the series gets recently. You can see the peak when we bought our house (stamp duty) and the trough at the start of the Pandemic. There are previous peaks usually associated with moves, like in 2007 when we moved to Australia. Currently, school fees are the most volatile element in our budget. Actually, in percent terms, spending got more volatile recently, but it's not more volatile than it was in the earlier years of the series:
So, the first version of this post used non-inflation adjusted data. I easily found almost uptodate data on the UK Retail Price Index. This is not ideal as for most of this period I was spending in Australian or US Dollars. The exchange rate and then the use of a foreign price index will distort things. But if you want to know what our spending was in today's pounds, it is correct:
I also added a two year moving average. Spending does rise 4 to 5-fold. This is not surprising. We now have four people rather than one. Real spending fell after rising to a new level following my first move to Australia and my last move to the US. And this is also true since we moved into our current house, despite going from two to four people during that period. Real spending has been drifting lower over the last decade. On the other hand, it continued higher after other moves.












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