The phrase "and falling levels of" is correct and usable in written English.
It can be used when discussing a decrease in quantities or amounts of something, often in a statistical or analytical context.
Example: "The report highlighted concerns about the declining economy and falling levels of consumer confidence."
Alternatives: "and decreasing levels of" or "and diminishing levels of".
The downturn was blamed on rising prices, fuel increases and falling levels of real pay.
Mary Teruel and her colleagues discovered that rising and falling levels of hormones known as glucocorticoids can affect weight gain.
It's a calm, watchful movie, underscored with rising and falling levels of anxiety and paranoia, but little or no real action, except at the beginning and very end.
One reason is that the cost of the US/China trade war – in lost economic activity and falling levels of business confidence – has almost wiped out the benefits of Trump's $1.2tn tax cuts.
The study found increasing levels of interest in engineering and law and falling levels of interest in graduate jobs with the police, retail, teaching and property.
Christians, Muslims and Hindus live in areas with "bulging youth populations," high birthrates and falling levels of infant morality, the report said.
And the effect of falling levels of union membership has been to lower wage growth by 0.75 percentage points per year over the past 30 years.
A clear negative relationship holds between both variables during the initial years until the early 2000s when the (detrended) year-quarter coefficients become flat and stop responding to the falling levels of (lagged) unemployment.
Britain has bucked the global trend of falling levels of happiness and is one of the few countries where wellbeing improved over the past three years.
They point to falling levels of unemployment and rising wages as evidence of a strengthening economy – one that is no longer in need of rates set at "emergency levels".
Rarely, a very early moult at the nesting colony may be linked to breeding failure, both the onset of moult and reproductive behaviour being linked to falling levels of the hormone prolactin.
