The brand concept, especially brand loyalty, has evolved significantly; however, this phenomenon is still considered far from complete. This study extends a long line of scholars’ efforts by investigating a moderating effect of brand awareness in triangle relationships between product innovation and brand trust and brand loyalty. The hypotheses were tested based on online questionnaire data collected from 100 Indonesian respondents. The Ordinary least square (OLS) regression analysis shows that brand awareness positively and significantly moderates these triangle relationships. Additionally, the direct relationships between product innovation on brand awareness and brand loyalty and brand trust and brand loyalty were found to be significant. This research offers future research direction and implications for business practitioners and academics.

This study aimed to examine and analyze the effect of word of mouth on the purchasing decisions of consu-mers of all-you-can-eat Japanese restaurants. The type of research was causal quantitative analysis tested using a linear regression test. The sampling technique was purposive sampling. The samples were 100 all-you-can-eat Japanese res¬tau¬rants con¬sumers in Surabaya, Indonesia. The re¬sults showed that word of mouth had a positive and significant influence on purchasing decisions. It was a new study. Thus, this research could help manage the restaurant bu¬siness, thereby improving the existing marketing perform¬ance.

We studied the utility of using machine learning algorithms in the estimation of feature importance and to visualize their dependence on Ethicality. Through our analysis and partial dependence plot we found linear relationships among variables and gained insight into features that might cause certain types of ethical behaviour.

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