Baumol effect (en)

(aka Baumol's cost disease) rise of salaries in jobs that have experienced no increase of labor productivity, in response to rising salaries in other jobs that have experienced the labor productivity growth

capital deepening (en)

where the capital per worker is increasing in the economy (differs from capital widening, as the latter sees capital increase while the labour force also increases so capital per worker is constant)

Say's Law (en)

an economic law stating that supply creates its own demand (named after eighteenth-century French economist Jean-Baptiste Say)

secular stagnation (en)

a condition of negligible or no economic growth in a market-based economy ("secular" as in "long-term", in contrast to "cyclical" or "short-term")

succor (en)

assistance and support in times of hardship and distress