We are fed an almost-daily diet of dire predictions about the fragile state of the global economy. At times these worries spill over into discussions with our clients concerned about the implications for their investments.
This begs the question of whether the macroeconomic environment really matters for equity returns.
Intuitively, the answer is surely yes. When our economy does better, business' revenues and profitability levels tend to increase.
But not so fast. Countries such as China have experienced very strong growth and relatively poor equity returns in the past two decades, while long-run equity returns in relatively slow-growing rich countries such Sweden - and New Zealand - have been relatively good.
Several factors may help explain the discrepancy between economic growth and returns.