What is a common side effect of essential oil mouthrinses?

Sample open-response question here.

What is the mechanism of action of chlorhexidine gluconate?

Volata was also known as:

Due to the bandwagon effect, demand for some products is ________ elastic than it would be without the positive network externality.

The curve in the diagram below is called:

When network externalities are present:

Figure 4.2.1Refer to Figure 4.2.1 above. Which of the following moves represents the substitution effect?

When was the Volata abandoned? 

Scenario 5.3: Wanting to invest in the computer games industry, you select Whizbo, Yowzo and Zowiebo as the three best firms. Over the past 10 years, the three firms have had good years and bad years. The following table shows their performance: Company Good Year Revenue Bad Year Revenue Number of Good Years Whizbo $8 million $6 million 8 Yowzo $10 million $4 million 4 Zowiebo $30 million $1 million 1 Refer to Scenario 5.3. Where is the highest expected revenue, based on the 10 years’ past performance (the number of good years over 10 years is used to calculate the probability)?