Are These Statements True For Economics?

[1] The Phillips curve slopes upward, since a more positive output gap is associated with a higher level of unexpected inflation. The labor market Phillips Curve slopes downward, since a more positive output gap is associated with a lower level of unemployment. Both curves summarize the idea that excess demand leads to higher inflation.

[2] A rapid influx of foreign investment causes the output gap to become more positive. This gives rise to demand‑pull inflation. The president unexpectedly announces a tariff on aluminum and steel. This causes cost‑push inflation.