Brand Price Trade-off

Brand price trade-off (BPTO) employs a relatively simple direct approach to gain insights into consumers’ sensitivity to price in a competitive purchase scenario.

Method

The study is usually conducted online or at a central location. The respondent is presented repeatedly with choice of brands relevant to her purchase decision, and their prices. The prices vary, starting at the lowest level of the test range, and moving upwards as the exercise progresses.

At each step the respondent is asked to choose from a set of brand/price options. After the respondent chooses an option, the price for the chosen brand is increased to the next price point while that for the other brands remains unchanged. Respondent is then asked to make her next choice, and the exercise continues till all options are exhausted.

Consider the example in Exhibit 26.5 for a range of cars with similar specifications, targeting the same consumer segment. The exhibit reflects the choices made by a particular respondent, from the start to the end of the exercise.  This respondent is much less sensitive to price compared to the respondent in Exhibit 26.6 who switches brands 13 times over the price range.


Exhibit 26.5   A BPTO answer sequence (fictitious example).

 

Exhibit 26.6   Example of hierarchy of choices for a price sensitive respondent.

Analysis

The analysis method commonly used, called Essential Rank Analysis is based on each respondent’s hierarchy of choices. For illustration consider the following brand/price options:

 

Honda                $66,000
Toyota                $70,000
Hyundai              $54,000
Nissan                $58,000
Mitsubishi          $66,000

For the respondent whose choices are listed in Exhibit 16.6, Honda $66,000 brand/price option ranks 11th, Toyota $70,000 ranks 12th, Hyundai $54,000 ranks 3rd, Nissan $58,000 ranks 4th, and Mitsubishi $66,000 is not ranked. This respondent, for the options listed above, will therefore choose Hyundai $54,000, as it lies uppermost in her hierarchy of choices.

In a similar manner, the highest ranking choice is taken for all respondents, and projected to provide an estimate of the brands’ share at the mentioned price points, as well as for the other price points covered in the study. This yields the demand price relationships for the brands, which may be used to estimate price elasticity and cross price elasticity of demand at the price points of interest to the marketer.

BPTO can be modified to allow for gauging consumers’ sensitivity to downward price movements. This is useful for markets where consumers’ sensitivity to an increase in price may differ from their sensitivity to a reduction in price.

Limitations

When it comes to estimating volume, like other pricing research methods, BPTO makes a number of assumptions.  It assumes consumers have perfect knowledge and awareness of products; and that other elements of the marketing mix, in particular distribution and promotions, are constant. Importantly, BPTO measures preference, not volume. For instance in FMCG where consumers purchase a repertoire of brands, estimates of volume are likely to be less accurate. A consumer, for instance, in overall terms, may prefer Sunsilk shampoo over Pantene or Head & Shoulders, but she could be using all three products.

BPTO is less widely used nowadays because the nature of the BPTO exercise heightens price awareness. As respondents become sensitized to price, their claimed response to price changes is considerably exaggerated. So, unless some adjustment is employed to normalize the data, one would not recommend the use of BPTO for taking decisions on price adjustments. As we will see later, discrete choice models, reflect the real world more closely, and yield responses that more accurately reflect consumers’ true behaviour.

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