As uncomprehending punters complain of the soaring cost of living, and the better-versed ponder the puzzle of exceptionally weak increases in prices and wages, don't forget to allow for the strange things happening in retailing.
It's a point the Reserve Bank's been making for months without it entering our collective consciousness the way it should have.
The debate over the cause of weak price and wage growth has been characterised as a choice between a "cyclical" (temporary) problem as we recover only slowly from the resources boom, and a "structural" (long-lasting) problem caused by the effects of globalisation and industrial relations "reform" that's robbed employees of their power to bargain collectively.
To the annoyance of protagonists on both sides, I've taken a bit-of-both position. But the Reserve has raised a different structural contributor to the problem: the consequences of greatly increased competition in a hugely significant sector of the economy, retailing.
The media have focused on the digital disruption aspect, with the arrival in Oz of the ultimate category killer, Amazon Marketplace.
But that happened only late last year and, although retailers may already have been tightening up on wage increases and other costs in anticipation of greater threat from online competitors, much of those consequences are yet to be felt.
Of greater significance to date is the arrival of new foreign bricks-and-mortar competitors such as Aldi and Costco.
As Dr Luci Ellis, an assistant governor of the Reserve, said last month, "Australia has seen a marked increase in the number of major retail players. Foreign retailers have entered the local market in recent years and continue to do so.
"This has also induced the existing players to reduce their costs to stay competitive, for example by improving inventory management. This has probably been a bit easier for larger or less-diversified retailers than for smaller firms.
"Whether through lower costs, narrower margins or a combination of both, this competitive dynamic has weighed on prices for consumer durables.
"And for staples such as food, competition and related changes in pricing strategies (such as 'everyday low price' strategies) have contributed" to keeping prices low.
If you doubt that adds up to much, try this. According to the consumer price index, prices of food and non-alcoholic beverages (including restaurant and take-away meals) were almost unchanged over 15 months to December, and rose only 3.6 per cent over the previous six and a half years.
Prices of clothing and footwear fell by 3.5 per cent over the 15 months to December, and fell by 4.6 per cent over the previous six and a half years.
Prices of furniture and household equipment fell by 1.5 per cent over the 15 months to December, and rose by just 4.5 per cent over the previous six and a half years.
As Reserve Bank governor Dr Philip Lowe has remarked, this is good news for consumers, although not for some retailers – nor their employees, for that matter.
Sometimes I think everyone would be a lot happier if prices and wages were growing by 4 per cent a year rather than 2 per cent. This would be a delusion, of course, but the beginning of behavioural economic wisdom is to realise that illusions abound in the economy.
Low inflation is not a bad thing to the extent that it's caused by increased competition forcing down businesses' profit margins – and goodness knows the two big supermarket chains have plenty of profitability to cut into.
Indeed, the benefit to consumers – who, remember, include all employees – makes competition-caused low inflation a good thing. (What's not a good thing is low inflation caused by weak demand.)
And particularly where increased competition involves innovation and digital disruption, it usually brings consumers greater choice and convenience, not just lower prices.
The downside of increased competition and digital disruption, however, is the adverse consequences for employees. Some may lose their jobs; many may find pay rises a lot harder to extract from bosses worried about whether their business has a viable future.
Retailing is our second biggest employer, with about 1.2 million full-time and part-time workers. And whereas the overall wage price index rose by 2.1 per cent over the year to December, in retailing it rose by only 1.6 per cent. This was lower than all other industries bar mining, on 1.4 per cent.
It's likely to be some years yet before the disruption of retailing has run its course, and this may mean structural change in the sector acts as a continuing drag on wage growth overall.
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It's a point the Reserve Bank's been making for months without it entering our collective consciousness the way it should have.
The debate over the cause of weak price and wage growth has been characterised as a choice between a "cyclical" (temporary) problem as we recover only slowly from the resources boom, and a "structural" (long-lasting) problem caused by the effects of globalisation and industrial relations "reform" that's robbed employees of their power to bargain collectively.
To the annoyance of protagonists on both sides, I've taken a bit-of-both position. But the Reserve has raised a different structural contributor to the problem: the consequences of greatly increased competition in a hugely significant sector of the economy, retailing.
The media have focused on the digital disruption aspect, with the arrival in Oz of the ultimate category killer, Amazon Marketplace.
But that happened only late last year and, although retailers may already have been tightening up on wage increases and other costs in anticipation of greater threat from online competitors, much of those consequences are yet to be felt.
Of greater significance to date is the arrival of new foreign bricks-and-mortar competitors such as Aldi and Costco.
As Dr Luci Ellis, an assistant governor of the Reserve, said last month, "Australia has seen a marked increase in the number of major retail players. Foreign retailers have entered the local market in recent years and continue to do so.
"This has also induced the existing players to reduce their costs to stay competitive, for example by improving inventory management. This has probably been a bit easier for larger or less-diversified retailers than for smaller firms.
"Whether through lower costs, narrower margins or a combination of both, this competitive dynamic has weighed on prices for consumer durables.
"And for staples such as food, competition and related changes in pricing strategies (such as 'everyday low price' strategies) have contributed" to keeping prices low.
If you doubt that adds up to much, try this. According to the consumer price index, prices of food and non-alcoholic beverages (including restaurant and take-away meals) were almost unchanged over 15 months to December, and rose only 3.6 per cent over the previous six and a half years.
Prices of clothing and footwear fell by 3.5 per cent over the 15 months to December, and fell by 4.6 per cent over the previous six and a half years.
Prices of furniture and household equipment fell by 1.5 per cent over the 15 months to December, and rose by just 4.5 per cent over the previous six and a half years.
As Reserve Bank governor Dr Philip Lowe has remarked, this is good news for consumers, although not for some retailers – nor their employees, for that matter.
Sometimes I think everyone would be a lot happier if prices and wages were growing by 4 per cent a year rather than 2 per cent. This would be a delusion, of course, but the beginning of behavioural economic wisdom is to realise that illusions abound in the economy.
Low inflation is not a bad thing to the extent that it's caused by increased competition forcing down businesses' profit margins – and goodness knows the two big supermarket chains have plenty of profitability to cut into.
Indeed, the benefit to consumers – who, remember, include all employees – makes competition-caused low inflation a good thing. (What's not a good thing is low inflation caused by weak demand.)
And particularly where increased competition involves innovation and digital disruption, it usually brings consumers greater choice and convenience, not just lower prices.
The downside of increased competition and digital disruption, however, is the adverse consequences for employees. Some may lose their jobs; many may find pay rises a lot harder to extract from bosses worried about whether their business has a viable future.
Retailing is our second biggest employer, with about 1.2 million full-time and part-time workers. And whereas the overall wage price index rose by 2.1 per cent over the year to December, in retailing it rose by only 1.6 per cent. This was lower than all other industries bar mining, on 1.4 per cent.
It's likely to be some years yet before the disruption of retailing has run its course, and this may mean structural change in the sector acts as a continuing drag on wage growth overall.