Sentence examples for it is very difficult to demonstrate from inspiring English sources

First, it is very difficult to demonstrate a causal effect of short-run horizons since the CEO's contract is endogenous.

As the recent empirical studies surveyed here illustrate, it is very difficult to demonstrate that the exchange rate risk premium depends (through a portfolio balance channel) on the currency composition of outside assets.

However, with most in vivo bioassays it is very difficult to demonstrate reliably an effect of 1%, let alone effects < 1%.

' in certain areas in Irish hospitals, it is very difficult to demonstrate safe practice because of the pressure being put on staff nurses (staff shortages, increased workloads, etc. ' (RN237).

We originally proposed inclusion of such data in a registration program, but such data have many limitations most notably, it is very difficult to demonstrate comparability of the external control cohort to those subjects in the prospective Tier B or Tier C studies.

With so few data points, it's very difficult to demonstrate a non-linear relationship.

But this behaviour is very difficult to demonstrate because tidal movements push on the shelf and complicate the satellite measurements.

It is very difficult to pass trade deals during a presidential election year, as President Obama demonstrated with the TPP.

It is very difficult to.

"It is very difficult empirically to demonstrate the validity of our predictive judgment," Mr. Armstrong said.

"But it is very difficult.