The study focused on low-moderate income households and whether they had any financial assets like stocks/bonds and mutual funds. That this segment has low repr

The study focused on low-moderate income households and whether they had any financial assets like stocks/bonds and mutual funds. That this segment has low representation in this respect doesn't surprise met at all, given the level of education / discretionary income needed to pursue such investments. Also, Western capitalist society saturates the populus with consumerism (which to be fair supports the economy), so there's that force at play as well.