Question: Perhaps she's trying the same approach.
She might be trying the same approach.

Answer: yes

Question: Investment boosts labor productivity because workers can produce more per hour when they have more and better equipment and better skills (capital deepening).
Workers are happy to have better equipment.

Answer: it is not possible to tell

Question: probably so probably so um-hum
probably yes because it is a fact

Answer:
it is not possible to tell