The longest US economic expansion ever
Head of Investment Strategy and Chief Economist
AMP Capital

- Where the US economy goes is critical to the outlook for shares, including for the Australian share market.
- While the yield curve is flashing warning signs and issues around trade and Iran could cause short-term volatility, the excesses that normally precede US recessions – a spending boom, surging private debt and/or rising inflation/tight monetary policy – are absent.
- This along with the combination of easing monetary conditions globally, is likely to see growth continue suggesting that US - and hence global and Australian - shares are likely to be higher in 6-12 months’ time.
| Cyclical share bull market, S&P 500 | Prior bear market % fall | Total bull mkt, % gain | Duration in months |
| June 49-Aug 56 | -30 | 267 | 86 |
| Oct 57-Dec 61 | -22 | 86 | 50 |
| Jun 62-Feb 66 | -28 | 80 | 43 |
| Oct 66-Nov 68 | -22 | 48 | 25 |
| May 70-Jan 73 | -36 | 73 | 31 |
| Oct 74-Nov 80 | -48 | 126 | 73 |
| Aug 82-Aug 87 | -27 | 229 | 60 |
| Dec 87-Jul 90 | -34 | 65 | 31 |
| Oct 90-Mar 00 | -20 | 417 | 113 |
| Oct 02-Oct 07 | -49 | 101 | 60 |
| Average | -33 | 149 | 57 |
| Mar 09-? | -57 | 346 | 124 |
Data is for the S&P 500. A cyclical bull market is defined as a rising trend in shares that ends when shares have a 20% or more fall. It could be argued that the 20% fall in July to October 1990 was not really a bear market as it was too short & shares surpassed their prior highs within a year. If it was not really a bear then the latest bull market becomes the second longest.
Source: Bloomberg, AMP Capital.
US economic expansions since WW2
| Economic expansion | Average GDP growth, % pa | Employment grth, avg % pa | Duration in months |
| Oct 45-Nov 48 | 1.5 | 5.2 | 37 |
| Oct 49-Jul 53 | 6.9 | 4.4 | 45 |
| May 54-Aug 57 | 4.0 | 2.5 | 39 |
| Apr 58-Apr 60 | 5.6 | 3.6 | 24 |
| Feb 61-Dec 69 | 4.9 | 3.3 | 106 |
| Nov 70-Nov 73 | 5.1 | 3.4 | 36 |
| Mar 75-Jan 80 | 4.3 | 3.6 | 58 |
| Jul 80-Jul 81 | 4.4 | 2.0 | 12 |
| Dec 82-Jul 90 | 4.3 | 2.8 | 92 |
| Mar 91-Mar 01 | 3.6 | 2.0 | 120 |
| Nov 01-Dec 07 | 2.8 | 0.9 | 73 |
| Average | 4.3 | 3.1 | 58 |
| Jun 09-? | 2.3 | 1.4 | 121 |
Source: National Bureau of Economic Research, AMP Capital.




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