Are low-paid jobs really a stepping stone to better pay? A new study suggests it’s not that simple

The Conversation/Reuters

Posted at Jun 21 2021 11:20 AM | Updated as of Jun 21 2021 02:46 PM

Are low-paid jobs really a stepping stone to better pay? A new study suggests it’s not that simple 1
A nurse fixes her stuff at the pantry and locker room of the Quirino Memorial Medical Center- Delivery and Operating Room complex on May 8, 2020. Gigie Cruz, ABS-CBN News/File

A job – any job – is generally thought of as better than no job at all. Consequently, low-paid work is often considered a “stepping stone” to a higher-paid job. But how easily do low-paid workers climb up the pay scale, really?

Our new research suggests past studies may have considerably overstated the chances of moving from low to higher pay. This has significant implications for understanding labor market behavior.

Given the NZ$3.3-billion increase in welfare payments announced in New Zealand’s recent budget -- dubbed the “biggest lift in a generation” -- and the ongoing focus on inequality and minimum wage rates, how we measure income mobility is increasingly important.

In particular, what are some of the characteristics of the low-paid workforce? How likely or unlikely is it that an individual can transition from low to higher pay?

Past research has described low-paid work as a stepping stone if there is a greater chance of moving to higher pay relative to someone who is unemployed.

Furthermore, the data have suggested relatively high likelihoods of making the transition from low to higher pay — estimates range from 47 percent to nearly 90 percent, based on studies from the UK, Australia and Germany.

However, this research has mostly had to rely on survey data based on individual responses to an annual set of questions. This means we can only observe a snapshot of any given labor market once a year.

When determining whether an individual is unemployed, low paid or higher paid, a lot of information between those annual surveys falls into the unknown.

Why does this matter? It helps to imagine 3 different individuals, with different labor market experiences, answering a survey about their employment status in October 2019 and again in October 2020:

  • one was low paid in the first survey and remained in low pay every month until the second survey;
  • the second oscillated between low and higher pay between surveys but happened to be in low pay at each survey point;
  • the third regularly moves between low pay and unemployment but is also in low pay at the time of each survey.

Because of the lack of information between survey time points, all 3 individuals will fall into the same category. In turn, this may influence estimates of movement out of low pay.

In New Zealand, we have the advantage of the integrated data infrastructure (IDI), a large research database published by Stats NZ.

As well as being population-wide, this provides monthly administrative tax records that reveal labor market states at a much higher frequency.

Our research uses these detailed data to look at the male low-paid workforce aged between 21 and 60 in New Zealand. The results are illuminating.

First, we mimicked conventional earlier research by looking at the labor market from only 1 month each year. Through this lens, New Zealand looks similar to Australia, with the probability of moving from low pay to higher pay estimated to be 74 percent.

When we use the detailed monthly income records, however, it is clear the picture is not as rosy. Most importantly, the likelihood of moving from low pay to higher pay is much lower than traditional methods suggest.

In fact, for those who have been in low-paid work for all of the prior 12 months, we found the likelihood of them moving into higher pay in the following month was only 28 percent. Being continuously in low-paid work, it seems, means it isn’t easy to climb out.

On the other hand, our research confirms the stepping-stone effect does exist in the New Zealand labor market: compared to being unemployed, you’re more likely to move into higher pay from being low paid.

Specifically, someone unemployed for the previous 12 months has only a 1 percent probability of moving into higher pay in the next month. That compares to 28 percent for those in low-paid employment for all of the previous 12 months.

Overall, our research highlights the value of detailed, high-frequency, integrated data in assessing the nuances in the labor market landscape.

On top of that, it illustrates the real difficulty in climbing the wage ladder for those in long-term low-paid work. This suggests policymakers should focus on pathways to wage growth, as well as on job creation itself.

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